Napitupulu, P. E., Pangastuti, R. D., & Hoediono, C. R. (2019). Effect of System and Service Quality to Customer Loyalty through M-BCA User Satisfaction in Surabaya, Indonesia. The International Journal of Business & Management, 7(4). https://doi.org/10.24940/theijbm/2019/v7/i4/BM1904-020