Astuti, Windi, Ana Maghfiroh, and Risqi Ekanti Ayuningtyas Palupi. “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 4, no. 2 (November 17, 2020): 155–161. Accessed March 1, 2026. https://studentjournal.umpo.ac.id/index.php/edupedia/article/view/550.