Harun, Amran, Muhamad Izaidi Ishak, and Much Aziz Muslim. “Exploring the Influence of Online Consumer Reviews on Sales of Umrah Travel Agencies: The Moderating Role of Package Pricing”. International Review of Management and Marketing 16, no. 1 (November 11, 2025): 1–11. Accessed December 5, 2025. https://www.econjournals.com/index.php/irmm/article/view/20473.