Asmara, Dwi Novri, Anti Estika Hader, and Muhammad Zikrul Hanan. “Application Of Graph Coloring Using Wilch-Powell In Scheduling Lectures At Dharmas University Indonesia”. Mathline : Jurnal Matematika dan Pendidikan Matematika 10, no. 4 (November 29, 2025): 827–846. Accessed January 17, 2026. http://mathline.unwir.ac.id/index.php/Mathline/article/view/997.