00767cam a22002174a 4500008004100000020001500041020001500056020001800071020001800089040000800107050002100115245013100136260004200267300001900309490010700328505001700435518001500452650003900467700002500506700001800531010417s2002    ctua     b    001 0 eng    a1567506526  a1567506534  a9781567506525  a9781567506532  aSDU00aQA241bL438 200200aLearning and teaching number theory :bresearch in cognition and instruction /cedited by Stephen R. Campbell and Rina Zazkis.  aWestport, Conn. :bAblex Pub.,c2002.  a245 p. :bill.1 aMathematics, learning, and cognition. monograph series of the Journal of mathematical behavior ;vv. 2  aHKBU library  aYT2025 M08 0aNumber theoryxStudy and teaching.1 aCampbell, Stephen R.1 aZazkis, Rina.