TONI, A. Improving Junior High School students’ vocabulary achievement by using WhatsApp. Journal of English Language and Pedagogy (JELPA), [S. l.], v. 1, n. 1, p. 45–53, 2023. DOI: 10.51826/jelpa.v1i1.741. Disponível em: https://jurnal.unka.ac.id/index.php/jelpa/article/view/741. Acesso em: 22 dec. 2024.