เขียวฉ่ำ น.; โพธิสุวรรณ ช.; ไสยโสภณ ป. Guidelines for Strengthening of the Student Council by Progressive Educational Approach for Schools under Phetchabun Primary Educational Service Area Office 2. Journal of Industrial Education, [S. l.], v. 14, n. 3, p. 475–480, 2015. Disponível em: https://ph01.tci-thaijo.org/index.php/JIE/article/view/122581. Acesso em: 5 may. 2024.