Rungroje Songsraboon และ Sakulkarn Chaijariyavet; Patitta Opaspong; Busara Niyomves; Jitravee Thongtao. (2022) Critical Success Factor of Online Learning of Private University in the era of COVID-19. <i>Interdisciplinary Academic and Research Journal</i>, <i>2</i>(4), 619-634.Rungroje Songsraboon และ Sakulkarn Chaijariyavet; Patitta Opaspong; Busara Niyomves; Jitravee Thongtao. "Critical Success Factor of Online Learning of Private University in the era of COVID-19". Interdisciplinary Academic and Research Journal 2 (2022):619-634.Rungroje Songsraboon และ Sakulkarn Chaijariyavet; Patitta Opaspong; Busara Niyomves; Jitravee Thongtao. Critical Success Factor of Online Learning of Private University in the era of COVID-19. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2022.