Azhar, Azhar, and Suryo Adi Sahfutra. 2022. “Islam in North Sumatra: Study on the Naqsabandiyah Sufi Order in the Malay Langkat Community”. Al-Adabiya: Jurnal Kebudayaan Dan Keagamaan 17 (2):131-43. https://doi.org/10.37680/adabiya.v17i2.2379.