TY  - BOOK
AU  - Srivastava, V. L.,
TI  - A socio-economics survey of the workers in the coal mines of india : : with particular reference to bihar / 
U1  - 331 
CY  - Culcutta
PB  - Scientific Book Agency,970.
KW  - Economics
KW  - Socio economics servey
ER  -