Mukhtar Harahap, Radinal, Aidilfithrah Aidilfithrah, and Ihsan Sa’dudin. 2023. “ULAMA AND AUTHORITY IN THE DELI KINGDOM: A Brief History of Shaykh Hasan Ma’sum”. Journal of Indonesian Ulama 1 (1):51-62. https://doi.org/10.30821/jiu.v1i1.2.