Khunaphrom , Thongchai, and Theeraphat Thinsandee. “Online Classroom for Emerging Diseases in New Normal”. RATANABUTH JOURNAL 3, no. 3 (December 30, 2021): 84–88. accessed June 24, 2025. https://so07.tci-thaijo.org/index.php/rtnb/article/view/613.