TY  - BOOK
ED  - NATIONAL RESEARCH COUNCIL
TI  - Knowing and Learning Mathematics for Teaching
SN  - 0309072522
U1  - 510 
PY  - 2001///
CY  - Washington
PB  - National Academy Press
KW  - MATHEMATICS --STUDY AND TEACHING (ELEMENTARY) --UNITED STATES --CONGRESSES
ER  -