TY  - BOOK
AU  - O'Brien; James  A.,Marakas ;George M.,Behl Ramesh
TI  - Management informatinn systems 
SN  - 978-0-0114494-1
U1  - 658.4038011 B76M 
PY  - 2011///
CY  - New Delhi
PB  - Tata mcgraw hill education
ER  -