Phinla, Wipada, Wipapan Phinla, and Natcha Mahapoonyanont. “Development of Social Studies Learning Management Approach Using Problem-Based and Community-Based Learning to Enhance 21st-Century Skills for Students in Small Schools”. Shanlax International Journal of Education 13, no. 4 (September 1, 2025): 27-33. Accessed September 11, 2025. https://www.shanlaxjournals.in/journals/index.php/education/article/view/9209.