THE PROJECT BASED LEARNING MODEL ASSISTED WITH AUDIO VISUAL MEDIA TO IMPROVE THE UNDERSTANDING OF SCIENCE IN CLASS IV STUDENTS IN PRIMARY SCHOOL. JOSAR [Internet]. 2025 Apr. 25 [cited 2026 Oct. 20];10(1):78-89. Available from: https://ejournal.unisbablitar.ac.id/index.php/josar/article/view/4293