Yuliani, Weni, Syafrizal Syafrizal, and Sari Lenggogeni. “Loyalty Model In Umrah Religious Tourism Travel and Factors That Influence It (Study on Ajwa Tours Indonesia)”. eScience Humanity Journal 4, no. 2 (May 28, 2024): 278-287. Accessed March 9, 2025. http://idebahasa.or.id/escience/index.php/home/article/view/135.