TY  - BOOK
AU  - Rumyantsen, A M (Ed.)
TI  - Stucture of working class
U1  - 323.33063 21st
PY  - 1963///
CY  - New Delhi
PB  - People's Publishing House
KW  - Working class-Statistics; Working class-India; Labor policy-India; Labor productivity-India
ER  -