Firdaus M, Suriansyah A, Refia Rafianti W. LITERATURE REVIEW: THE EFFECTIVENESS OF THE PROBLEM-BASED LEARNING MODEL WITH A DIFFERENTIATED APPROACH IN IMPROVING THE LEARNING OUTCOMES OF ELEMENTARY SCHOOL STUDENTS. EJHEAA [Internet]. 2024 Dec. 5 [cited 2025 Sep. 2];1(12):12-24. Available from: https://journal.antispublisher.id/index.php/EJHEAA/article/view/1092