Nag, Prithvish .
Introduction to geographical information systems / by Prithvish Nag and Smita Sengupta. - New Delhi : Concept Publishing Company , 2008 - xiv, 398p ;
Geography-India- Data processing
U / P8
Introduction to geographical information systems / by Prithvish Nag and Smita Sengupta. - New Delhi : Concept Publishing Company , 2008 - xiv, 398p ;
Geography-India- Data processing
U / P8