WARUWU, N.; RIANA, R.; HUR, A. K.; TELAUMBANUA, Y. M. Learning to Write Argumentation Paragraphs Using the Problem Based Learning (PBL) Model. International Journal of Language and Ubiquitous Learning, [S. l.], v. 2, n. 2, p. 208–216, 2024. DOI: 10.70177/ijlul.v2i2.1129. Disponível em: https://journal.ypidathu.or.id/index.php/ijlul/article/view/1129. Acesso em: 6 jul. 2025.