IMPROVING STUDENTS™ ACHIEVEMENT IN WRITING NARRATIVE TEXT THROUGH PROBLEM BASED LEARNING. TRANSFORM: Journal of English Language Teaching and Learning, North Sumatera, Indonesia, v. 2, n. 1, 2025. DOI: 10.24114/tj.v2i1.902. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/902. Acesso em: 22 mar. 2026.