Manswab Mahsen Abdulrahman, and Ali. Hemed Awadh. “An Overview of Islamic Sharia Issue Regarding Mobile Money Transaction (Mpesa) In the Republic of Kenya”. 2020. Al-Risalah: Journal of Islamic Revealed Knowledge and Human Sciences (ARJIHS), vol. 4, no. 3, Aug. 2020, pp. 199-13, https://journals.iium.edu.my/al-risalah/index.php/al-risalah/article/view/256.