TY  - BOOK
AU  - Spitzer,Herbert Frederick)
ED  - Houghton Mifflin and Company
TI  - Teaching elementary school mathematics
U1  - 372.7044 23
PY  - 1967///.
CY  - Boston: 
PB  - Houghton Mifflin, 
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - Includes bibliographies
ER  -