[1]
Ayyad, D.A.-A. 2022. The Role of E-Management in Improving the Crowd Management from the Perspective of the Employees in the Hajj and Umrah System. Journal of Economic, Administrative and Legal Sciences. 6, 6 (Feb. 2022), 116–148. DOI:https://doi.org/10.26389/AJSRP.N140721.