TY  - BOOK
AU  - Vrat, Prem
AU  - Sardana, G. D.
AU  - Sahay, B. S.
TI  - Productivity Management: A Systems Approach
SN  - 9788173191473
U1  - 658.5 
PY  - 1998///
CY  - New Delhi
PB  - Narosa Publishing House
ER  -