TY  - BOOK
AU  - Prem Vrat.,
AU  - Sahay, B. S. ,
AU  - Sardana, G. D.,
TI  - Productivity measurement for business excellence
SN  - 9788173199561
U1  - 338 PRO 
PY  - 2009///
CY  - New delhi
PB  - Narosa Publishing House.
N1  - Includes bibliographical references and index.
ER  -