โททำ บ., โกศลกิตติอัมพร เ. and เคนาภูมิ ส. (2019) “The Ethical Behaviors Development Model of Rajabhat University Undergraduate Students in the North-East Regional Areas”, Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, 14(3), pp. 65–72. Available at: https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/237090 (Accessed: 17 May 2024).