Indriyani, Theresia Vina. “Group Work for Enhancing Students’ Understanding in Simple Past Materials and Developing Social Skills”. SAGA: Journal of English Language Teaching and Applied Linguistics 5, no. 1 (January 9, 2024): 35–44. Accessed November 21, 2024. https://saga.ukdw.ac.id/index.php/SAGA/article/view/159.