TY  - BOOK
AU  - Sharma, H.S.
AU  - Ram,D.R.;Prasad,Rama;Binda,P.R.
TI  - Mathematical Modelling in Geographical Information System Global Positioning System and Digital Cartography 
SN  - 978-81-8069342-2
PY  - 2006///
CY  - New Delhi
PB  - Concept Publishing House 
KW  - African StudiesPolitical Science
ER  -