TY  - BOOK
AU  - Copeland,Richard W
TI  - Math activities for children: a diagnostic and developmental approach 
AV  - QA135 .M384 1979
PY  - 1979///
CY  - Columbus, Ohio
PB  - Merrill
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - 2; 2
ER  -