ASTUTI, Windi; MAGHFIROH, Ana; PALUPI, Risqi Ekanti Ayuningtyas. ENHANCING STUDENTS’ WRITING ABILITY BY IMPLEMENTING PROBLEM-BASED LEARNING METHOD AT THE ENGLISH DEPARTMENT STUDENTS IN MUHAMMADIYAH UNIVERSITY OF PONOROGO IN ACADEMIC YEAR 2019/2020. EDUPEDIA, [S. l.], v. 4, n. 2, p. 155–161, 2020. DOI: 10.24269/ed.v4i2.550. Disponível em: https://studentjournal.umpo.ac.id/index.php/edupedia/article/view/550. Acesso em: 20 sep. 2025.