Yudhanegara, M.R., Indratno, S.W. and Sari, R.K.N. 2020. Clustering for Item Delivery Using Rule-K-Means. Journal of the Indonesian Mathematical Society. 26, 2 (Jul. 2020), 185–191. DOI:https://doi.org/10.22342/jims.26.2.871.185-191.