TY  - BOOK
AU  - Cooney,Thomas J.et al
AU  - Davis,Edward J.
AU  - Henderson,K.B.
TI  - Dynamics of teaching secondary school mathematics
SN  - 0395140285
AV  - LB2365.M3.D9 1975 
PY  - 1975///
CY  - U.S.A
PB  - Houghton miffin company
N1  - Index
ER  -