ILHAM, M. A. Problem Based Learning (PBL) Learning Model to Improve Civic Education (PKn) Learning Outcomes of Elementary School Students. International Journal of Students Education, [S. l.], v. 3, n. 1, p. 626–629, 2025. Disponível em: https://journal.berpusi.co.id/index.php/IJoSE/article/view/1169. Acesso em: 31 jul. 2025.