SISWONO, S.; LIEM, J.; PRASETYO, A. Analisis dan Perancangan Sistem eCRM pada PT Paramitra Media Perkasa. Journal The Winners, [S. l.], v. 6, n. 2, p. 95-104, 2005. DOI: 10.21512/tw.v6i2.600. Disponível em: https://journal.binus.ac.id/index.php/winners/article/view/600. Acesso em: 27 jan. 2025.