Kusuma, B. S., I. F. Ramdhani, and Z. Azhara. “Application-Based CRM Relationship Implementation for Micro, Small and Medium Enterprises”. International Journal of Research and Applied Technology (INJURATECH), Vol. 2, no. 1, Apr. 2022, pp. 169-73, doi:10.34010/injuratech.v2i1.6914.