Hartadi, Arief Dwi, and Oktalia Juwita. 2013. “Perancangan Data Warehouse Dan Penerapan Teknik Clustering Spatial Pada Wesel: Studi Kasus PT XXX”. ComTech: Computer, Mathematics and Engineering Applications 4 (1):199-212. https://doi.org/10.21512/comtech.v4i1.2704.