LASTIA, I. N. Implementasi Model Pembelajaran Problem Solving untuk Meningkatkan Hasil Belajar IPS. Journal of Education Action Research, [S. l.], v. 5, n. 1, p. 74–79, 2021. DOI: 10.23887/jear.v5i1.31561. Disponível em: https://ejournal.undiksha.ac.id/index.php/JEAR/article/view/31561. Acesso em: 25 apr. 2024.