Ammar W. M. Sheet, Kalid Abdul-Hammed Abdel-Majed, Muhammed K. Rashad و Zaid Saad Ismail (2021) "Testing the Depending Factors of Using the Digital Currency", QALAAI ZANIST JOURNAL, 6(3), ص 1057–1064. doi: 10.25212/lfu.qzj.6.3.39.