TY  - BOOK
AU  - Crouch Ralph
AU  - Baldwin George
AU  - Wisner R J
TI  - Preparatory mathematics for elementary teachers
U1  - 372.7 
PY  - 1965///
CY  - London
PB  - John Wiley
KW  - Elementary arithmetic
KW  - Elementary teachers
KW  - Preparatory mathematics
ER  -