S. M. R. al Masud and G. Ahmed Ali, “WMNs enabled WBANs system for pilgrims’ health monitoring at overcrowded environment during hajj in Saudi Arabia: a feasibility study”, IJET, vol. 7, no. 4, pp. 5178–5187, Mar. 2019, doi: 10.14419/ijet.v7i4.22270.