TY  - BOOK
AU  - Fehr,Howard F.
AU  - Phillips,Jo McKeeby
TI  - Teaching modern mathematics in the elementary school
SN  - 020102005x
PY  - 1972///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - Bibliography: p. 503-505
ER  -