Syahman, Syarif, Kamaluddin, and Bintang Simbolon. “The Effectiveness and Application of the School Meal Policy in Improving the Behavior of the High School Students in a Satuan Pendidikan Kerjasama Private School”. Jurnal Manajemen Pendidikan 9, no. 1 (January 6, 2020): 51 - 60. Accessed November 23, 2024. http://ejournal.uki.ac.id/index.php/jmp/article/view/3012.