The Effectiveness of the Problem-Based Learning Model in the Subject of Facilities and Infrastructure for Students. International Journal of Administration and Education (IJAE), [S. l.], v. 2, n. 4, p. 149–160, 2025. DOI: 10.70188/vs8dhm33. Disponível em: https://journal.ashapublishing.co.id/index.php/ijae/article/view/176.. Acesso em: 21 apr. 2026.