TY  - BOOK
AU  - Serra,Michael
TI  - Mathercise classroom warm-up exercises
T2  - Mathercises Book C
SN  - 1559530618
PY  - 1992///
CY  - Emeryville, CA
PB  - Key Curriculum Press
KW  - Mathematics
KW  - Problems, etc
KW  - sears
KW  - Study and teaching
ER  -