NURUL AINI; ANSOR; RAHMAD HIDAYAT SIREGAR. EFEKTIVITAS PENINGKATAN HASIL BELAJAR DENGAN PENDEKATAN PROBLEM BASED LEARNING. Inteligensia, [S. l.], v. 9, n. 1, p. 79–90, 2024. DOI: 10.54604/itg.v9i1.392. Disponível em: https://journal.iaintakengon.ac.id/index.php/itg/article/view/392. Acesso em: 26 dec. 2025.