mohd noh, mohd shahid, N. F. Mohd Razif, and M. A. . Ruslan. “Keberangkalian Gharar Di Dalam E Wallet: Satu Penelitian Awal: Probability of Gharar in E-Wallets: A Preliminary Study”. Al-Basirah Journal, vol. 12, no. 2, Dec. 2022, pp. 25-36, doi:10.22452/basirah.vol12no2.2.