Ladadok, Somchanok, and Wannee Kaemkate. “Analysis of Factors and Indicators of Teacher Roles for Student Learning in the 21st Century”. An Online Journal of Education 16, no. 2 (December 17, 2021): OJED1602043 (12 pages). Accessed May 7, 2024. https://so01.tci-thaijo.org/index.php/OJED/article/view/253304.