TY  - BOOK
AU  - Heddens,James W.
AU  - Speer,William R.
TI  - Today's mathematics: concepts, methods, and instructional activities
T2  - Wiley/Jossey-Bass education
SN  - 0471149845 (pbk. : acid-free paper)
AV  - QA135.6 .H43 2006
U1  - 372.7 22
PY  - 2006///
CY  - Hoboken, NJ
PB  - Wiley
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Local
N1  - ESTE LIBRO INCLUYE UN DISCO; Includes bibliographical references and index
ER  -