Panjaitan, Y. K., Manurung, N., & Christy, T. (2022). APPLICATION OF CRM METHODS FOR SALES SYSTEMS SHOES AND SANDAL PRODUCTS AT KOAKI STORE. JURTEKSI (jurnal Teknologi Dan Sistem Informasi), 8(3), 279 - 284. https://doi.org/10.33330/jurteksi.v8i3.1645