TY  - BOOK
AU  -  Howard,Charles Frederick
AU  -  Dumas,Enoch
TI  -  Teaching contemporary mathematics in the elementary school / 
U1  -  510.713 
PY  - 1966///
CY  -  New York : 
PB  -  Harper & Row, 
KW  -  Mathematics
KW  -  Study and teaching (Elementary)
ER  -