Namdaran, Hojjat, and Omid Akbari. 2021. “The Effect of Flipped Learning Model on EFL Learners’ Academic Achievement, Self-Esteem and Self-Confidence”. IJET (Indonesian Journal of English Teaching) 10 (2):158-68. https://doi.org/10.15642/ijet2.2021.10.2.158-168.