HIDAYATI, Ratri Nur; MACHMUDA, Andhika Nur. The Effectiveness of Using Whatsapp Group to Improve Grammar Ability in Report Text of the Tenth Grade Students at SMA N 1 Prambanan in the Academic Year of 2019/2020. Journal of English Language Teaching and English Linguistics, [S. l.], v. 7, n. 1, 2022. DOI: 10.31316/eltics.v7i1.2221. Disponível em: https://journal.upy.ac.id/index.php/eltics/article/view/2221. Acesso em: 23 apr. 2026.