TY  - BOOK
AU  - Smith، Carrie
AU  - Kelly، Brett
TI  - Discover Estimation
T2  - Estimation Of Products
SN  - 9781606340219
U1  - 500 21
PY  - 2009///
CY  - Pleham, New York
PB  - Benchmark Education Co
KW  - Science
N1  - Science
ER  -