TY  - BOOK
AU  - Merton,Elda Lucile
AU  - May,Lola June
ED  - John Colburn
TI  - Mathematics background for the primary teacher
U1  - 372.7 23
PY  - 1966///.
CY  - Wilmette: 
PB  - John Colburn, 
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - Includes bibliography p. 181 and index
ER  -