Chandra, A.N. et al. 2013. Pencapaian Tujuan Perusahaan dengan Customer Relationship Management pada Industri Jasa Telekomunikasi. ComTech: Computer, Mathematics and Engineering Applications. 4, 2 (Dec. 2013), 950–960. DOI:https://doi.org/10.21512/comtech.v4i2.2536.