ANGGREINI, D. Analisis Implementasi Sistem Informasi Pemasaran di PT.GMM Surabaya. JOURNAL OF ECONOMICS, BUSINESS, MANAGEMENT, ACCOUNTING AND SOCIAL SCIENCES, [S. l.], v. 1, n. 4, p. 130–133, 2023. DOI: 10.63200/jebmass.v1i4.74. Disponível em: http://ojs.putrajawa.co.id/index.php/jebmass/article/view/74. Acesso em: 16 sep. 2025.