TY  - BOOK
AU  - Singh,V.B.
TI  - Role of labour in economic development
U1  - 331 SIN 
PY  - 1970///.
CY  - Bombay : 
PB  - Popular prakashan, 
KW  - Labour,
KW  - Economic development
N1  - Includes Appendix and index
ER  -