NG, K.; ZULKIFLI, M. The Impact of Electronic Customer Relationship Management (e-CRM) on the Business Performance of Small Company. Journal of Engineering and Technology (JET), [S. l.], v. 3, p. 139–154, 2012. Disponível em: https://jet.utem.edu.my/jet/article/view/219. Acesso em: 15 may. 2024.