Prakoso, H. C., Iqbal, M., & Kurniawati, A. (2020). Usability Evaluation OVO Electronic Wallet Application Using Usability Testing and Usefulness, Satisfaction, Ease Of Use Questionnaire. International Journal of Computer Sciences and Engineering, 8(10), 1–6. https://doi.org/10.26438/ijcse/v8i10.16