thammawech, natrada (2023) “The Development of Problem Based Learning Management towards Critical Thinking Ability”, Journal of Education Rajabhat Maha Sarakham University. Bangkok, Thailand, 20(3), pp. 104–115. Available at: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/266720 (Accessed: 17 May 2024).