Nasution, M. A., A. Fitri, N. Safitri, and N. A. Ramadhan. “Comparison of Consumer Interest in Telkomsel and Tri Providers Case Study in Unimed Digital Business”. Economic: Journal Economic and Business, vol. 2, no. 2, Apr. 2023, pp. 37-40, doi:10.56495/ejeb.v2i2.687.