TY  - BOOK
AU  - Sen Sukomal
TI  - Working class of India:  History of emergence and m   
U1  - Y49.2.N70<---M30, L7 
PY  - 1977///
CY  - Calcutta
PB  - Bagchi          
KW  - Working Class
N1  - Bibliography chapterwise
ER  -