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2. The Tamis Corporation, “Planning Crowd Control For Your Event.”
3. "How simple rules determine pedestrian behavior and crowd disasters.";Moussaïd;Proc. Natl. Acad. Sci. U. S. A.,2011
4. "Managing crowds safely";HSE;HSE Books,2000
5. NATIONAL DISASTER MANAGEMENT AUTHORITY (NDMA) GOVERNMENT OF INDIA, “Managing Crowd at Events and Venues of Mass Gathering A Guide for State Government , Local Authorities , Administrators and Organizers,” 2014.