TY  - BOOK
AU  - Vrat, Prem
AU  - Sahay, B.S.
AU  - Sardana, G.D.
TI  - Productivity management: a system approach
SN  - 8173191476
U1  - 658.515 
PY  - 1998///
CY  - New Delhi
PB  - Narosa Publishing House
KW  - Productivity management
ER  -