TY  - BOOK
AU  - Singh,G.S.
TI  - Economic and commercial geography: research techniques and commodities 
U1  - 330.9 
PY  - 1967///
CY  - Bombay
PB  - Manaktalas
KW  - Economic geography
KW  - Economics
N1  - Includes bibliographical references and index
ER  -