Kaffa, Zelmi, Sentot Setia Budi, and Nurhizrah Gistituati. “Kebijakan Penerapan Sistem Zonasi”. Jurnal Pendidikan Tambusai 5, no. 1 (June 3, 2021): 1870–1879. Accessed December 27, 2024. http://jptam.org/index.php/jptam/article/view/1193.