INCREASING STUDENT LEARNING INTEREST USING THE PROBLEM BASED LEARNING (PBL) LEARNING MODEL ASSISTED BY PUZZLE MEDIA IN SCIENCE LEARNING FOR GRADE IV OF KAYUAPU ELEMENTARY SCHOOL. PJP [Internet]. 2025 Apr. 30 [cited 2026 Mar. 13];14(1):182-90. Available from: https://jurnal.ar-raniry.ac.id/index.php/Pionir/article/view/25742