Nurzahara Sihombing (2025) “The Ulul Albab Spiritual Leadership Construct and Its Impact on Psychological Well-Being : A CFA Examination among Campus Da’wah Activists”, OBAT: Jurnal Riset Ilmu Farmasi dan Kesehatan, 3(5), pp. 53–77. doi: 10.61132/obat.v3i5.1592.