Syifaun Nada. “Concept of Buying and Selling Transactions UsingQuick Response Indonesian Standard Perspective of DSN MUI Fatwa No: 116 DSN-MUI IX 2017 Concerning Sharia Electronic Money”. JIQSI : Jurnal Ilmu Al Qur’an Dan Studi Islam, vol. 1, no. 2, Dec. 2023, pp. 65-81, https://doi.org/10.64341/jiqsi.v1i2.13.