PRATIWI, B.; NURYANTI, R. Smartphone Usage on Students Learning English: The Impact of School Policy. ELS Journal on Interdisciplinary Studies in Humanities, [S. l.], v. 1, n. 2, p. 199-209, 2018. DOI: 10.34050/els-jish.v1i2.4390. Disponível em: https://journal.unhas.ac.id/index.php/jish/article/view/4390. Acesso em: 27 may. 2024.