Yusmalinda, Yusmalinda. “EFL Students’ Perceptions on Flipped Learning in an English Grammar Class”. SAGA: Journal of English Language Teaching and Applied Linguistics 4, no. 2 (July 26, 2023): 117–126. Accessed December 22, 2024. https://saga.ukdw.ac.id/index.php/SAGA/article/view/157.