Phinla W, Phinla W, Mahapoonyanont N. Development of Social Studies Learning Management Approach using Problem-Based and Community-Based Learning to Enhance 21st-Century Skills for Students in Small Schools. education [Internet]. 1Sep.2025 [cited 11Sep.2025];13(4):27-3. Available from: https://www.shanlaxjournals.in/journals/index.php/education/article/view/9209