TY  - BOOK
AU  - Post,Thomas Richard
TI  - Teaching mathematics in grades K-8: research-based methods 
SN  - 0205134149
AV  - QA135.5QA135.5 .T399 1992.T399
U1  - 372.7 20
PY  - 1992///
CY  - Boston
PB  - Allyn and Bacon
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - Includes bibliographical references and indexes
ER  -