TY  - BOOK
AU  - Langer,Arthur M.
TI  - Analysis and design of information systems
SN  - 9788132204404
U1  - 004.21 LAN/A 
PY  - 2008///
CY  - New Delhi
PB  - Springer
KW  - COMPUTER SCIENCE
KW  - INFORMATION SYSTEMS
ER  -