TY  - BOOK
AU  - Erickson,Tim
TI  - Get it together: math problems for groups, grades 4-12 
AV  - QA43 .G485 1989
PY  - 1989///
CY  - Berkeley, California
PB  - Equals
KW  - Mathematics
KW  - Problems, exercises, etc
KW  - Study and teaching (Elementary)
KW  - Study and teaching (Secondary)
KW  - Educational games
N1  - 2
ER  -