PERMADI, R.; MUNIR, A. A. A. WhatsApp blast as digital multiliteracy 4.0 product to improve students’ English learning achievement. Psychology, Evaluation, and Technology in Educational Research, [S. l.], v. 6, n. 2, p. 127–138, 2024. DOI: 10.33292/petier.v6i2.201. Disponível em: https://petier.org/index.php/PETIER/article/view/201. Acesso em: 17 apr. 2026.