V. F. H. Nst, S. Syafrizal, E. Siddik, L. Nasution, and S. R. Rahman, “THE ROLE OF UMRAH TRAVEL IN SUPPORTING THE INDONESIAN ECONOMY: EDUCATION AND COMMUNITY EMPOWERMENT PROGRAM AT PT AL KAUTSAR MEDAN”, Hablum Minannas, vol. 5, no. 1, pp. 19-29, Mar. 2026.