Mulyawan, A., D. Rosadi, and D. Dianawati. “Sistem Informasi Customer Relationship Management CV. Junindo Pratama”. Jurnal Computech &Amp; Bisnis (e-Journal), vol. 13, no. 1, June 2019, pp. 36-41, https://jurnal.stmik-mi.ac.id/index.php/jcb/article/view/112.