SARI SIREGAR, M. I.; FITRIANI; DAHNIAL, I. APPLICATION OF THE PROBLEM-BASED LEARNING MODEL IN PKN SUBJECTS ON CRITICAL THINKING ABILITY OF CLASS IV STUDENTS (SD PRIVATE AL-ULUM MEDAN). International Journal of Students Education, [S. l.], v. 2, n. 1, p. 71–76, 2023. DOI: 10.62966/ijose.v2i1.267. Disponível em: https://journal.berpusi.co.id/index.php/IJoSE/article/view/267. Acesso em: 20 aug. 2025.