Sannur Hayati Sinaga. “The Influence of Problem Based Learning Models on the Ability to Write Dramatic Texts for Class VII Students of SMP Negeri 3 Pagaran”. International Journal of Educational Research Excellence (IJERE) 1, no. 1 (June 30, 2022): 68–86. Accessed May 5, 2024. https://ejournal.ipinternasional.com/index.php/ijere/article/view/127.