ELVERA, Nedia Gusti et al. Pengaruh Model Pembelajaran Problem Based Learning (PBL) tentang Metri Psikotropika Terhadap Kompetensi Belajar Peserta didik Kelas XI SMAN 5 Tebo. JURNAL PENDIDIKAN ROKANIA, [S.l.], v. 7, n. 3, p. 332 - 340, jan. 2023. ISSN 2548-4141. Available at: <https://e-jurnal.stkiprokania.ac.id/index.php/jpr/article/view/593>. Date accessed: 07 may 2026. doi: https://doi.org/10.37728/jpr.v7i3.593.