al Masud, S. M. R., & Ahmed Ali, G. (2019). WMNs enabled WBANs System for Pilgrims’ Health Monitoring at Overcrowded Environment during Hajj in Saudi Arabia: a Feasibility Study. International Journal of Engineering & Technology, 7(4), 5178-5187. https://doi.org/10.14419/ijet.v7i4.22270