IMPROVEMENT OF LEARNING OUTCOMES AND CONCEPTUAL UNDERSTANDING OF GRADE V STUDENTS THROUGH THE USE OF A PROBLEM-BASED LEARNING MODEL ASSISTED BY REALIA MEDIA. PIONIR: JURNAL PENDIDIKAN, [S. l.], v. 13, n. 3, p. 15–26, 2024. DOI: 10.22373/pjp.v13i3.25409. Disponível em: https://www.jurnal.ar-raniry.ac.id/index.php/Pionir/article/view/25409. Acesso em: 4 may. 2026.