Khanitcharongkul, A. ., Mangkhang, C. . and Wannapaisan, C. . (2019) “PROBLEM–BASED LEARNING MANAGEMENT TO ENHANCE CITIZENSHIP SKILLS OF STUDENTS IN DEMONSTRATION SCHOOL UNIVERSITY OF PHAYAO”, Journal of Education and Innovation, 22(1), pp. 315–327. Available at: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/94117 (Accessed: 20 April 2024).