Juntsen, C. . (2021). Development of a Model of Morning Assembly Activities and Uniforms for Students of Mahasarakham University Demonstration School (Secondary). Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University, 16(3), 109–119. Retrieved from https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/250233