TY  - BOOK
AU  - Campbell,Stephen R.
AU  - Zazkis,Rina
TI  - Learning and teaching number theory: research in cognition and instruction 
T2  - Mathematics, learning, and cognition. monograph series of the Journal of mathematical behavior
SN  - 9781567506525
AV  - QA241 .L43 2002
PY  - 2002///
CY  - Westport, Conn.
PB  - Ablex Publishing
KW  - Number theory
KW  - Study and teaching
N1  - Includes bibliographical references and indexes
UR  - http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=99154&site=ehost-live&scope=site
ER  -