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. PIONIR: JURNAL PENDIDIKAN, [S. l.], v. 14, n. 1, p. 182–190, 2025. DOI: 10.22373/pjp.v14i1.25742. Disponível em: https://jurnal.ar-raniry.ac.id/index.php/Pionir/article/view/25742. Acesso em: 13 mar. 2026.