The Effect of Problem-Based Learning (PBL) Model Assisted by Musical Board Media on the Ability to Solve Story Problems in Fifth Grade Elementary School Students. International Journal Universal Pedagogy Education, [S. l.], v. 1, n. 1, p. 101–111, 2025. Disponível em: https://journal.tigaedukasiglobal.co.id/index.php/IJUPE/article/view/19. Acesso em: 10 sep. 2025.