I. Ali Brohi, N. Imtiaz Ali, A. Shah, M. Bt. S. Abd. Aziz, and M. Izzuddin Bin Mohd. Tamrin, “Near Field Communication Enabled Mobile Payments: Preliminary Study”, IJET, vol. 7, no. 2.34, pp. 60–63, Jun. 2018, doi: 10.14419/ijet.v7i2.34.13913.