Structural Transformation in the Economy of the Makkah Region: The Role of the Hajj and Umrah Sector within the Framework of Saudi Vision 2030. Int. J. Financ. Admin. Econ. Sci. [Internet]. 2026 Jul. 11 [cited 2026 Aug. 30];5(7). Available from: https://www.vsrp.co.uk/index.php/ijfaes/article/view/1705