TY  - BOOK
AU  - Khanna, K. K.
AU  - Gupta, V. K.
TI  - Economic and commercial geography
U1  - 910.133 KHA. G 
PY  - 1985///
CY  - New Delhi
PB  - Sultan Chand & Sons
KW  - General geography
KW  - Economic geography
ER  -