F. S. M. Al-Mashikhi, A. A. Lubis, and N. A. Bint Kamri, “Institutional Obstacles and Their Impact on Service Quality in Government Institutions: A Field Study on the Ministry of Endowments and Religious Affairs in the Sultanate of Oman”, Arts, vol. 13, no. 4, Dec. 2025, doi: 10.35696/joa.v13i4.2912.