Mustikawati, M., Fadila, F. and Muharir, M. (2019) “ANALYSIS OF THE USING OF E-MONEY IN INDUSTRIAL REVOLUSTION 4.0”, I-ECONOMICS: A Research Journal on Islamic Economics, 5(2), pp. 164–182. doi:10.19109/https://doi.org/10.19109/ieconomics.v5i2.5025.