Romrat Patcharapongphun และ Onchulee Niradrop. (2022) Factors Affecting Success in Online Learning Course HED 1101 Health Promotion for Life in Situation of Covid -19 of Ramkhamhaeng University Students. <i>Interdisciplinary Academic and Research Journal</i>, <i>2</i>(4), 257-274.Romrat Patcharapongphun และ Onchulee Niradrop. "Factors Affecting Success in Online Learning Course HED 1101 Health Promotion for Life in Situation of Covid -19 of Ramkhamhaeng University Students". Interdisciplinary Academic and Research Journal 2 (2022):257-274.Romrat Patcharapongphun และ Onchulee Niradrop. Factors Affecting Success in Online Learning Course HED 1101 Health Promotion for Life in Situation of Covid -19 of Ramkhamhaeng University Students. DR.KEN Institute of Academic Development and Promotion:ม.ป.ท. 2022.