Namdaran, Hojjat, and Omid Akbari. “The Effect of Flipped Learning Model on EFL Learners’ Academic Achievement, Self-Esteem and Self-Confidence”. IJET (Indonesian Journal of English Teaching) 10, no. 2 (December 31, 2021): 158–168. Accessed April 28, 2024. https://jurnalftk.uinsby.ac.id/index.php/IJET/article/view/931.