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]. 30 April 2025 [dikutip 22 Juli 2026];14(1):182-90. Tersedia pada: https://jurnal35.ar-raniry.ac.id/index.php/Pionir/article/view/25742