Yudhanegara, Mokhammad Ridwan, Sapto Wahyu Indratno, and RR Kurnia Novita Sari. “Clustering for Item Delivery Using Rule-K-Means”. Journal of the Indonesian Mathematical Society 26, no. 2 (July 10, 2020): 185–191. Accessed October 5, 2024. http://jims-a.org./index.php/jimsa/article/view/871.