Sitti Humairoh and Moh Karim 2026. The Implementation Of Mubapay Electronic Transactions At Mambaul Ulum Bata-Bata Islamic Boarding School, Pamekasan, From The Perspective Of Ḥifẓ Al-Māl. Aghnina : Jurnal Hukum Ekonomi Syari’ah. 3, 1 (Jan. 2026), 54–62. DOI:https://doi.org/10.64431/ag.v3i1.348.