Chandra Sekhar Kalubandi and Dr. B. R. Megharaj 2018. UNDER PINNIN G O F ‘ CHAOS T HE ORY ’ AND CHANGE MANAGEMENT ROLES IN ERP IMPLEMENTATIONS WITH REFERENCE TO INFORMATION TECHNOLOGY INDUSTRY AT HYDERABAD AND BANGALORE. International Journal of Information Technology & Computer Sciences Perspectives. 7, 01 (Mar. 2018), 2636-2643.