Phusapha, Janphen, Atchariya Promtow, and Chatchawan Limruchatakul. 2025. “The Development of Learning Activities Based on the Constructivist Approach for Undergraduate Students of the Faculty of Education, Rajabhat Maha Sarakham University”. Interdisciplinary Academic and Research Journal 5 (6). Maha Sara Kham, TH.:451-62. https://doi.org/10.60027/iarj.2025.286794.