TY  - BOOK
AU  - Merttens,Ruth
AU  - Kirkby,Dave
AU  - Leather,Ros
TI  - Abacus
SN  - 0602266580
PY  - 1996///
CY  - Aylesbury
PB  - Ginn
KW  - Arithmetic
KW  - Study and teaching
KW  - Activity programs
KW  - Study and teaching (Elementary)
N1  - In ringbinder
ER  -