Muhammad Aunurrochim, Muhammad Adib bin Saharudin. E-Wallet: A Study On Contracts Involved Within Its Operational Mechanism. j. ftw. mgt. res. [Internet]. 2021Oct.1 [cited 2024Nov.23];26(1):1-16. Available from: https://jfatwa.usim.edu.my/index.php/jfatwa/article/view/382