Husni, H.S., Tandra, T.W. and Anugrah, A. 2010. Evaluasi Pengendalian Sistem Informasi Penjualan Pada PT. XYZ. ComTech: Computer, Mathematics and Engineering Applications. 1, 2 (Dec. 2010), 969-978. DOI:https://doi.org/10.21512/comtech.v1i2.2652.