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research article

Learning by Teaching: How Classroom Challenges Shape Teachers’ Professional Development

Mohamed El Kadi, Nadir Akrachi

Traditional models of teachers’ professional development (TPD) emphasize formal training, workshops, and certification programs; however, persistent gaps between these programs and classroom practice raise questions about their effectiveness. This article argues that everyday classroom challenges shape teachers’ professional development more strongly than formal training alone by positioning teaching as a central site of professional learning. The study adopts a qualitative, interpretive design and draws on written reflective narratives from 12 secondary school teachers working in Moroccan public schools. Data were collected through open-ended prompts and analyzed using thematic analysis. The findings show that challenges related to students’ lack of foundational knowledge, low motivation, mixed-ability classrooms, and loss of confidence drive professional growth through processes of problem-solving, adaptation, and ongoing decision-making. These processes foster deeper professional understanding than externally delivered training by prompting teachers to reinterpret methods, reassess assumptions, and develop context-sensitive strategies. Rather than rejecting formal training, the study positions it as secondary to experiential learning in the classroom. It concludes by proposing an interpretive, practice-driven model of professional development in which learning by teaching constitutes the foundation of teachers’ professional growth, with implications for teacher education and policy.

Education and Learning

13 Jun 2026
7 pages
research article

Integrating Artificial Intelligence Mediated Communications to Enhance EFL Learners' Transactional Speaking Skills at SMP Tahfidz Mutiara Al-Akbar

Ismail Mubarak, Kaharuddin Kaharuddin, Djuwairiah Ahmad

Limited opportunities for structured speaking practice and delayed corrective feedback remain persistent challenges in junior secondary EFL classrooms, often resulting in suboptimal development of transactional speaking skills. Addressing this gap, the present study investigated the effectiveness of Artificial Intelligence (AI)-mediated communication through SpeechAce in improving students’ transactional speaking performance. This study employed a pre-experimental one-group pre-test–post-test design involving eight junior secondary students. Students participated in six instructional sessions integrating AI-based automatic speech recognition (ASR) feedback. Speaking performance was assessed using analytic scoring criteria, and data were analyzed using descriptive statistics and a paired-samples t-test. The results indicated a substantial improvement in students’ performance. The mean pre-test score was 47.36 (SD = 4.11), which increased to 52.24 (SD = 4.31) in the post-test. The mean difference of −4.36250 was statistically significant, t(7) = −6.328, p <0.001, with a 95% confidence interval ranging from −5.99278 to −2.73222. These findings demonstrate that AI-mediated speaking practice contributed to consistent performance gains across participants. In conclusion, AI-assisted communication platforms such as SpeechAce can function as an effective pedagogical augmentation tool to enhance transactional speaking competence in EFL contexts, particularly by providing immediate feedback and structured repetition opportunities.

Education and Learning

13 Jun 2026
7 pages
research article

Insecticidal Efficacy of Aqueous Aegle marmelos Extracts Against Brown Planthopper (Nilaparvata lugens) and Yellow Rice Stem Borer (Scirpophaga incertulas) and Their Effects on Rice Growth

Devi Indah Zahrotul Majid

This study evaluated the insecticidal potential of aqueous extracts of Aegle marmelos against brown planthopper (Nilaparvata lugens) and yellow rice stem borer (Scirpophaga incertulas), as well as their effects on rice growth under controlled laboratory–greenhouse conditions in Bojonegoro, Indonesia, from March 2020 to February 2021. Fruit pulp, fruit peel, and leaf extracts were applied at concentrations of 20%, 40%, and 60%, with synthetic insecticide and untreated controls included for comparison. Separate experimental units were used for each target pest species. Mortality observations indicated that higher extract concentrations generally produced greater insecticidal activity. The 60% peel extract treatment produced the highest mortality against yellow rice stem borer, whereas fruit pulp extracts at 40% and 60% showed mortality values comparable to the synthetic insecticide treatment against brown planthopper. Several plant growth parameters, including tiller number, plant height, leaf color, and damage intensity, also tended to improve following extract application. However, some measured variables were not statistically significant, indicating considerable variability among replicates. The findings suggest that Aegle marmelos extracts possess potential as botanical insecticides for rice pest management, particularly against yellow rice stem borer. Further studies under broader greenhouse and field conditions are recommended to confirm efficacy, optimize formulation stability, and evaluate long-term effects on rice productivity and pest suppression. These results indicate that Aegle marmelos extracts may contribute to environmentally friendly pest management strategies by reducing dependence on synthetic insecticides while maintaining rice growth performance. Nevertheless, additional phytochemical characterization and toxicological evaluation are necessary before large-scale application can be recommended confidently.

Crop Life

13 Jun 2026
9 pages
research article

The Influence of Knowledge Level, Perception, and Religiosity among Working Women in Semarang City on Halal Cosmetics Use

Sheilanita Aulia Primahana, Abdur Rosyid, Rissa Maharani Dewi, Nisa Febrinasari, Ika Buana Januarti, Farroh Bintang Sabiti

This study examined the associations of knowledge level, perception, and religiosity with halal cosmetics use among working women in Semarang City. A quantitative cross-sectional design was used, involving 111 respondents selected via snowball sampling. Data collected through a structured online questionnaire were analyzed using multiple linear regression. Results showed that knowledge (β = 0.070), perception (β = 0.077), and religiosity (β = 0.034) significantly and positively influenced halal cosmetics use (all p < 0.05), with perception emerging as the strongest predictor. The model explained a substantial proportion of variance (R2 = 0.469). Respondents with positive perceptions were more likely to use halal-certified cosmetics consistently, indicating that usage is driven not only by religious values and knowledge but also by practical factors like accessibility, quality, safety, and consumer confidence. Although the cross-sectional design and non-probability sampling may limit generalizability, these findings offer valuable insights. Future studies should involve larger, more geographically diverse populations and explore additional marketing variables. Ultimately, these insights can guide cosmetic manufacturers, certification authorities, and policymakers in developing targeted educational strategies, transparent communication, and consumer-oriented promotional approaches within Indonesia’s competitive urban halal personal care market.

Halal Science

13 Jun 2026
7 pages
research article

Halal Cosmetic Knowledge and Purchasing Decisions Among Indonesian Muslim Students

Eneng Chynta Zahra Syaripudin, Abdul Hakim, Ria Ramadhani Dwi Atmaja

This study evaluated the association between halal cosmetic knowledge and purchasing decisions among pharmacy students at UIN Malang. Utilizing a quantitative cross-sectional design, survey data were collected via purposive sampling from 105 respondents (following instrumentation testing, n = 35) and analyzed using descriptive statistics and simple linear regression. Descriptively, 72.38% of respondents possessed high knowledge, and 84.76% demonstrated high purchasing decision levels. Regression analysis revealed a significant positive relationship between halal cosmetic knowledge and purchasing choices (β = 0.502, p = 0.001). The model fit was robust (F = 34.697, p = 0.001) with a coefficient of determination (R2 = 0.252), proving that knowledge accounts for 25.2% of the variance in purchasing decisions. Although the non-probability sampling and cross-sectional nature limit broader geographic generalizability, the findings confirm that cognitive literacy is a vital indicator in guiding compliant product selection. In conclusion, halal cosmetic knowledge significantly influences consumer choices. These insights offer baseline evidence for regulators and industries to expand targeted educational frameworks that foster transparent, halal-conscious behavior among highly educated populations.

Halal Science

13 Jun 2026
7 pages
research article

The Influence of Psychological Capital and Role Clarity on Staff’s Work Engagement in “Global English” Educational Institution

Al Fira Elisa Aziz, Muhammad Arif Furqon

This study examines the relationship between psychological capital and role clarity with work engagement among staff at the Global English Educational Institution. Grounded in the Job Demands–Resources (JD-R) framework, psychological capital is conceptualized as a personal resource comprising self-efficacy, hope, optimism, and resilience, while role clarity represents a job resource reflecting employees’ understanding of responsibilities and expectations. A quantitative cross-sectional design was employed, involving 77 staff members, including teaching and administrative personnel, using a total sampling approach. Data were collected through standardized self-report questionnaires and analyzed using multiple linear regression. The findings indicate that psychological capital and role clarity are both significantly associated with work engagement (p < 0.05). Psychological capital demonstrated a stronger statistical contribution compared to role clarity. Simultaneously, both variables explained 43.9% of the variance in work engagement, indicating a moderate level of explanatory power. These results suggest that both personal and job resources are relevant factors linked to employees’ engagement levels. However, given the cross-sectional design and reliance on self-report data, the findings should be interpreted as correlational rather than causal. The study is also limited to a single institutional context, which may restrict generalizability. Overall, this study provides empirical support for the JD-R framework within an educational service setting and highlights the potential relevance of strengthening psychological capital and clarifying work roles, while emphasizing the need for further longitudinal and multi-context research.

Human Psychology & Behavior

12 Jun 2026
6 pages
review

Chemometrics in Pharmaceutical Formulation: A Two-Decade Bibliometric Review (2005-2025)

Lia Puspitasari, Rizky Dwi Larasati, Zahra Ayu Maharani

Chemometrics is essential in modern pharmaceutical development for enhancing analysis and quality control. Despite its importance, the evolutionary trajectory and thematic shifts of chemometrics within pharmaceutical formulation have not been comprehensively synthesized. This study aims to explore publication trends, scientific collaborations, and keywords in research related to the application of chemometrics to pharmaceutical formulations, using a bibliometric approach. Data were retrieved from Scopus (2005–2025) using a structured search strategy focusing on "pharmaceutical formulation", "drug formulation", and "pharmaceutical development". The search was limited to English-language original articles or reviews. Bibliometric mapping was performed using VOSviewer and the Bibliometrix R-package, applying a minimum keyword occurrence of 5, full counting method, and association strength normalization. A total of 516 documents were identified. Publications have increased significantly in the last decade, with research articles being the dominant document type. Egypt and the United States are the countries with the highest contribution and citation impact. The Journal of Pharmaceutical and Biomedical Analysis is ranked highest in terms of the number of publications and influence. Khan, Mansoor A., is the most productive author, while the Faculty of Pharmacy at Cairo University and the FDA are the most productive organizations. Keyword analysis revealed various main themes and a division into seven clusters, highlighting an evolutionary shift from traditional analysis toward Process Analytical Technology (PAT) and Quality by Design (QbD). These findings highlight the importance of cross-disciplinary collaboration and the potential for further exploration of novel approaches in pharmaceutical product development.

Sciences of Pharmacy

12 Jun 2026
13 pages
research article

The Implementation of Digital Technology to Enhance the Quality of Islamic Religious Education (PAI) Learning at SMP Negeri 2 Palu

Alif Nahdatul Akbar, Ahmad Syahid, Darmawansyah Darmawansyah

The rapid shift toward digitally mediated learning environments poses significant challenges for Islamic Religious Education (PAI), particularly in maintaining learning quality while adapting to technological demands. This study examines the use of technology in PAI learning and identifies supporting and inhibiting factors in its implementation at SMP Negeri 2 Palu. A qualitative descriptive case study design was employed over a period of two months (July-August 2026). Data were collected through semi-structured interviews, non-participant classroom observations, and document analysis involving several participants, consisting of one school principal, one PAI teacher, and three Grade IX students selected through purposive sampling. Data were analyzed using an inductive thematic approach with triangulation to ensure credibility. The findings show that technology is integrated into PAI learning through a blended learning model combining asynchronous communication via WhatsApp and synchronous platforms such as YouTube, Google Meet, and Zoom. The results indicate perceived improvements in student engagement, participation, and classroom responsiveness, as identified from participant perspectives and classroom observation themes rather than measurable academic outcomes. These changes are reflected in more active student interaction and attentiveness during learning activities. Nevertheless, several challenges persist, including limited teacher digital competence, unstable internet connectivity, and infrastructure constraints. Mitigation efforts include continuous teacher training and gradual improvement of school facilities. In conclusion, technology integration contributes positively to PAI learning quality in this context, although its sustainability depends on teacher professional development, leadership support, adequate infrastructure, and ongoing instructional evaluation to ensure long-term effectiveness.

Education and Learning

12 Jun 2026
6 pages
research article

Sustainability and Competitive Advantage in Vannamei Shrimp Aquaculture: A Case Study of PT Graha Tambak Pinotu

Aris Jumadil, Sitti Aisya, Ferdiawan Ferdiawan

Intensive vannamei shrimp aquaculture significantly contributes to regional economies but may simultaneously generate environmental degradation and limited community integration, threatening long-term business sustainability. Strengthening sustainability-based management is therefore essential to maintain ecological balance and competitive performance within coastal aquaculture industries. This study aimed to analyze how integrated sustainability practices contribute to competitive advantage at PT Graha Tambak Pinotu, Central Sulawesi. A qualitative descriptive case-study approach was employed between May and July 2025 through in-depth interviews, field observations, and document analysis involving four stakeholder groups: company management, operational employees, local community representatives, and village authorities. Data were analyzed using thematic coding based on economic, social, environmental, and strategic sustainability dimensions. The findings demonstrate that the company institutionalizes sustainability practices across operational activities. Economically, production stability is supported through certified shrimp seed, controlled feed management, and digital water-quality monitoring systems, while feed costs remained within the estimated industry range of 50–70% of operational expenditure. Socially, the company employs more than 300 local workers and provides technical training in Good Aquaculture Practices (GAP), contributing to local income stability and workforce capacity development. Environmentally, wastewater is treated through sedimentation ponds, probiotic-based pond management reduces chemical dependency, and routine monitoring of temperature, pH, salinity, and ammonia concentration supports environmental stability. Expansion into national and export markets further strengthens business resilience and competitiveness. The study concludes that sustainability practices function as strategic resources that enhance operational efficiency, stakeholder legitimacy, and long-term competitive advantage within coastal aquaculture systems.

Sustainable Economy

12 Jun 2026
10 pages
research article

Fine Arts and Social Media: Constructing Spaces for Dialogue Between Artists and Audiences in the Digital Era

Andi Ryan Kusuma, Nevandrie Rozan

The development of social media has brought significant changes to contemporary visual art practices, particularly in the formation of discussion spaces between artists and audiences within digital environments. This study aims to analyze the role of social media in shaping patterns of interaction, artwork distribution, and public participation within the contemporary visual art ecosystem. The research employs a descriptive qualitative approach through the analysis of digital interactions on platforms such as Instagram, Twitter/X, and virtual exhibition spaces including Google Arts and MoMA Online. Data were collected through observations of artwork posts, comment sections, online discussions, and forms of communication between artists and audiences related to appreciation, criticism, and responses to artworks. The analysis was conducted by identifying interaction patterns, forms of audience participation, and the dynamics of visual discourse developing on social media. The findings indicate that social media functions not only as a medium for artwork distribution but also as a more open, participatory, and interactive digital public space in the process of art appreciation and the negotiation of artistic meaning. Audience engagement through comments, content sharing, and online discussions also influences the creative process, artwork visibility, and the formation of artistic value. This study concludes that social media has reconstructed the relationship between artists and audiences through the creation of more democratic digital discussion spaces, although it also presents new challenges for contemporary visual art practices.

Artistic Studies

12 Jun 2026
7 pages
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