TY  - BOOK
ED  - HARCOURT ACHIEVE
TI  - Ratios and percent : : teacher's guide
T2  - Top Line Math
SN  - 1-4190-0390-0
U1  - Res. 513.2 H257 2006 
PY  - 2006///
CY  - Austin, Texas : 
PB  - Harcourt achieve, 
KW  - 1. Percentage
KW  - 2. Ratio and proportion
ER  -