Rudy Purwanto, S.Si, M.Pd., Dra Nurhayati, Rizki Uni Utami, S.Pd, Gr. SB2 COLLA METHOD : APPLICATION OF PROBLEM BASED LEARNING MODEL TO IMPROVE STUDENT LITERATURE. JPDD [Internet]. 2022Aug.31 [cited 2026Aug.14];12(01):29-6. Available from: https://ojs.pendidikandd.org/index.php/JPD/article/view/284