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