NABILAH, N.; RAHUMA, A. Implementation of the Problem-Based Learning Model in Social Studies Subjects in Class VIII of SMP 27 Samarinda. Yupa: Historical Studies Journal, [S. l.], v. 9, n. 4, p. 314–324, 2026. DOI: 10.30872/yupa.v9i4.5258. Disponível em: https://jurnal.fkip.unmul.ac.id/index.php/yupa/article/view/5258. Acesso em: 3 mar. 2026.