ANALYSIS OF THE EFFECTIVENESS OF PROBLEM BASED LEARNING MODEL IN IMPROVING STUDENTS’ CRITICAL THINKING SKILLS: A LITERATURE REVIEW: English. dj [Internet]. 2025 Jun. 25 [cited 2025 Dec. 1];11(2):1-8. Available from: https://dj.jurnalstitdiniyyahputeri.org/index.php/dj/article/view/43