“Penggunaan Metode Contextual Teaching and Learning CTL Pada Pembelajaran Koloid Siswa Kelas XI SMA Katolik Aquino Amurang ”, gen. chem. j., vol. 1, no. 1, p. 1 4, Aug. 2023, Accessed: Jan. 30, 2026. [Online]. Available: https://ejurnal.unima.ac.id/index.php/general-chemistry/article/view/7513