YULIANTINI, N. N. .; PARAMITA, I. G. A. D.; SETYONO, E. Y. .; SUCIANI, N. K. . The use of whatsapp cooperative learning to improve writing ability . Journal of Applied Studies in Language , Indonesia, v. 5, n. 2, p. 245–251, 2021. DOI: 10.31940/jasl.v5i2.245-251. Disponível em: https://ojs2.pnb.ac.id/index.php/JASL/article/view/35. Acesso em: 5 nov. 2024.