Ratnaningsih, Paskalina Widiastuti. “A Descriptive Case Study of Using Line Application for Learning Writing”. Eduvelop: Journal of English Education and Development 1, no. 2 (March 15, 2018): 158-164. Accessed April 20, 2024. https://ojs.unsulbar.ac.id/index.php/eduvelop/article/view/26.