TY  - BOOK
AU  - Posamentier,Alfred S.
AU  - Stepelman,Jay
TI  - Teaching secondary school mathematics: techniques and enrichment units 
SN  - 067521209X
AV  - QA11 .P6175 1990
U1  - 510/.712 20
PY  - 1990///
CY  - Columbus, Ohio
PB  - Merrill Pub. Co.
KW  - Mathematics
KW  - Study and teaching (Secondary)
N1  - Includes bibliographical references and index
ER  -