RATNADILLAH, Yuli. PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN AKTIVITAS BELAJAR PESERTA DIDIK KELAS X UPT SMA NEGERI 8 MAKASSAR. Global Journal Teaching Professional, [S. l.], v. 2, n. 4, p. 1589–1595, 2023. DOI: 10.35458/jtp.v2i4.1144. Disponível em: https://jurnal.sainsglobal.com/index.php/gpp/article/view/1144. Acesso em: 9 may. 2026.