IBRAHIM, A.; AMATULLAH, S. Implementing Customer Relationship Management to Increase Education Service using Service Quality Method. Journal of Information Systems Engineering and Business Intelligence, [S. l.], v. 4, n. 2, p. 148–155, 2018. DOI: 10.20473/jisebi.4.2.148-155. Disponível em: https://e-journal.unair.ac.id/JISEBI/article/view/8157. Acesso em: 4 aug. 2024.