Title	A Simulator to Improve the Pilgrims Performance in Stoning Ritual in Hajj
Author	Ayman Fayoumi, Somayia Al-Ghoraibi, Arwa Fadel, Fatima Al-Aswadi, Fatimah Mujallid, Majda Wazzan
Citation	Vol. 11  No. 5  pp. 141-144
Keywords	Crowd management Simulation tools, Stoning in Hajj, Al Jamarat Bridge

Title	Blockchain for Controlling Hajj and Umrah Permits
Author	Meshal Alotaibi, Mohammad Alsaigh and Mohammad Yamin
Citation	Vol. 19  No. 4  pp. 69-78
Keywords	Blockchain, Hajj, Umrah, Smart Contract, Consensus, IoT, Pilgrims.

Title	An Investigation on the Advantages and Limitations of the Current Mobile Applications for Hajj Services
Author	Altyeb Altaher and Omar Mohammed Barukab
Citation	Vol. 19  No. 10  pp. 51-55
Keywords	Hajj services, Mobile apps, Mobile services.

Title	A Survey on Hajj Mobile Applications
Author	Saleh Basalamah, Faizan Ur Rehman
Citation	Vol. 20  No. 1  pp. 15-30
Keywords	Hajj Mobile Applications Survey