"Quality hotel services and their impact on customer loyalty A field study in some of the hotels in the city of Oran, Algeria" (2022) مجلة المنصور, 23(1), ص 11–26. موجود في: https://www.journal.muc.edu.iq/journal/article/view/163 (تاريخ الوصول: 1 أكتوبر 2025).