Raula Saputri, L., L. . Syahidatul Nisa, and S. . Rahmawan. “REVIEW OF THE LITERATURE ON THE USE OF PROBLEM-BASED LEARNING MODELS IN CHEMISTRY EDUCATION AND THEIR OUTCOMES”. Jurnal PTK Dan Pendidikan, vol. 11, no. 1, Sept. 2025, pp. 11-24, doi:10.18592/ptk.v11i1.12850.