OKTAVIA, Tanty. Perancangan Model Basis Data Sistem Operasional Berbasiskan Customer Relationship Management. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 4, n. 2, p. 1179–1189, 2013. DOI: 10.21512/comtech.v4i2.2590. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2590. Acesso em: 9 may. 2025.