J.A Obrien, . (2007). Management Information System. Tata McGraw Hill Pub. New Delhi: Tata McGraw Hill Pub. New Delhi.
J.A Obrien, . 2007. Management Information System. Tata McGraw Hill Pub. New Delhi: Tata McGraw Hill Pub. New Delhi.
J.A Obrien, . Management Information System. Tata McGraw Hill Pub. New Delhi: Tata McGraw Hill Pub. New Delhi. 2007.
