MASYHADI, Achmad Fauzi; ARIFANI, Yudhi; ASMARA, Candra Hadi. The Use Of Flipped Classroom To Improve Grammatical Mastery Using Whastsapp Group Discussion. Journal of English Teaching, Literature, and Applied Linguistics, [S.l.], v. 5, n. 2, p. 128-136, mar. 2022. ISSN 2614-5871. Available at: <https://journal.umg.ac.id/index.php/jetlal/article/view/3821>. Date accessed: 18 may 2024. doi: http://dx.doi.org/10.30587/jetlal.v5i2.3821.