Verapreyagoon, J., and W. Channarong. “Active Learning in English for Early Childhood Teacher Course, Early Childhood Education Program”. RMUTSB ACADEMIC JOURNAL (HUMANITIES AND SOCIAL SCIENCES), vol. 5, no. 1, June 2020, pp. 114-2, https://so05.tci-thaijo.org/index.php/rmutsb-hs/article/view/168446.