Lateefa, C., R. Naufalia, and D. Yassar. “Usefulness Factors to Predict the Continuance Intention Using Mobile Payment, Case Study: GO-Pay, OVO, Dana”. Journal of Soft Computing Exploration, vol. 2, no. 2, Sept. 2021, pp. 115-26, doi:10.52465/joscex.v2i2.50.