Mehmet Ali Erturk, M. Ali Aydin, H. Ibrahim Ibali, Zeynep Gurkas Aydin, and A. Halim Zaim, “Service Oriented Mobile Wallets with NFC”, J. Appl. Methods Electron. Comput., vol. 4, no. 3, pp. 83–86, Aug. 2016, doi: 10.18100/ijamec.39718.