1.
Babaee S, Rahimpour S, Babaee M. The Role of Problem-Based Learning (PBL) E-portfolios on Writing Skill: The Experience of Iranian Intermediate EFL Learners. IJSBAR. 2017;33(1):164-183. Accessed January 20, 2026. https://gssrr.org/JournalOfBasicAndApplied/article/view/6961