Thongphubate, T. ., Ninlabun, N. ., Sisanga, M. ., Chotientip, T. ., Maneephruek, W. and Tepsud, P. . (2022) “Learning through actual situations of the sufficiency economy learning center for secondary school students”, Journal of Research and Development Institute Rajabhat Maha Sarakham University, 9(3), pp. 27–46. Available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/260175 (Accessed: 4 May 2024).