ALIYU, Muhammad Mukhtar; FUNG, Yong Mei; RASHID, Sabariah Md.; NIMEHCHISALEM, Vahid. A Problem-based Learning Approach and Its Effects on the Writing Performance of Nigerian Undergraduates . International Journal of Language Teaching and Education, [S. l.], v. 4, n. 1, p. 23–35, 2020. DOI: 10.22437/ijolte.v4i1.8750. Disponível em: https://www.online-journal.unja.ac.id/IJoLTE/article/view/8750. Acesso em: 17 may. 2026.