Alfianti, P., Ridho, S. L. Z. and Riana, D. (2026) “The Effect of Price, Service Quality, and Facilities on the Satisfaction of Umrah Pilgrims at PT Putra Duta Wisata, Palembang”, Surplus: Jurnal Ekonomi dan Bisnis, 5(1), pp. 585–599. doi: 10.71456/sur.v5i1.2262.