TY  - BOOK
AU  - Mehrens, William A.
AU  - William A. Mehrens(jt.auth)
TI  - Growth in mathematics
SN  - 015351292
U1  - 510 
PY  - 1978///
CY  - New York
PB  - Center for curriculum development
KW  - Mathematics
N1  - Includes index
ER  -