Kongsaen, K. . and Onthanee, A. . (2022) “The Delvelopment of Learning Activities Based on Flipped Classroom to Promote English Listening and Speaking Proficiency for Grade 6”, Academic MCU Buriram Journal, 7(1), pp. 115–129. Available at: https://so06.tci-thaijo.org/index.php/ambj/article/view/251311 (Accessed: 26 April 2024).