R. Ahmad Fauzi, M. Handayani, and P. Parini, “Consumer Segmentation With K-Means at Lucky Shop Tanjungbalai”, Int. J. Manag. Sci. Inf. Technol., vol. 6, no. 1, pp. 765–770, Jun. 2026, doi: 10.35870/ijmsit.v6i1.7213.