TY  - BOOK
AU  - Nag Prithivsh 
AU  -  Sengupta Smita
TI  - Geographical Information System Concepts and Business Opportunities
SN  - 8180694356
U1  - 910.285 NAG 
PY  - 2007///
CY  - New Delhi
PB  - Concept Publications Company
KW  - Geography
ER  -