TY  - BOOK
AU  - Singh, G. S. 
TI  - Economic And Commercial Geography: research techniques and commodities 
U1  - 910.133 SIN 22nd ed. 
PY  - 1967///
CY  - Bombay
PB  - Manaktalas
KW  - Economic Activities-soil Influence
KW  - Economic And Commercial Geography
KW  - Human Economy
ER  -