TY  - BOOK
AU  - Chari,K.R.
ED  - National Productivity Council. 
TI  - Value engineering : : an introduction to concepts & application / 
U1  - 658.404 23
PY  - 1993///.
CY  - New Delhi : 
PB  - National Productivity Council., 
KW  - The economic value.
ER  -