Namauttawong, S., and W. Siripirom. “Factors Affecting Engagement of Teachers in Thai Language Schools for Foreigners in Bangkok”. An Online Journal of Education, vol. 16, no. 2, Dec. 2021, p. OJED1602045(15 pages), https://so01.tci-thaijo.org/index.php/OJED/article/view/253306.