TY  - BOOK
TI  - Ratio and sharing 1: ratio, fractions, decimals and percentages for 2 or 3 people
SN  - 0521439051
U1  - 510 
PY  - 1992///
CY  - New York
PB  - Press Syndicate of the Univesrity of Cambridge
KW  - Mathematics
KW  - Ratios
ER  -