Juli Anggoro, K., and P. Rueangrong. “FACEBOOK: AN ALTERNATIVE LEARNING PLATFORM FOR ONLINE ENGLISH AS A FOREIGN LANGUAGE INSTRUCTION IN THE TIME OF COVID-19”. JOURNAL OF EDUCATION NARESUAN UNIVERSITY, Vol. 23, no. 1, Jan. 2021, pp. 413-2, https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/244419.