ALFINO, J.; ADNAN LATIEF, M.; WIDIATI, U.; SAUKAH, A. Randomized Group Vs Heterogeneous Group in Developing EFL Argumentative Essay. KnE Social Sciences, [S. l.], v. 3, n. 15, p. 249–259, 2019. DOI: 10.18502/kss.v3i15.4371. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/4371. Acesso em: 17 may. 2025.