TY  - BOOK
AU  - Charles, Randall I ...(et al.)
TI  - Mathematics
SN  - 0328117102 
U1  - TR 510 Ch38 2005 
PY  - 2005///
CY  - U.S.A : 
PB  - Pearson Education, Inc, 
KW  - Mathematics--Elementary education
N1  - Includes index
ER  -