Putra, Fani Darmawan, Fibri Rakhmawati, and Hendra Cipta. “Penentuan Rute Transportasi Kendaraan Umum Kota Medan Dengan Menggunakan Nearest Neighbor Method Dan Closed Insertion Method”. Zeta - Math Journal 6, no. 2 (August 16, 2021): 43–47. Accessed January 25, 2026. http://journal.uim.ac.id/index.php/zeta/article/view/1082.