TY  - BOOK
AU  - West, C.
AU  - Harris, E.
TI  - Variance analysis
SN  - 81-7649-319-8(pbk.)
U1  - 658.1553 WES 
PY  - 2002///
CY  - New Delhi
PB  - Viva Books Private Ltd
KW  - Variation
ER  -