00873cam a22002534a 4500 010417s2002 ctua b 001 0 eng 1567506526 1567506534 9781567506525 9781567506532 SDU QA241 L438 2002 Learning and teaching number theory : research in cognition and instruction / edited by Stephen R. Campbell and Rina Zazkis. Westport, Conn. : Ablex Pub., 2002. 245 p. : ill. Mathematics, learning, and cognition. monograph series of the Journal of mathematical behavior ; v. 2 HKBU library YT2025 M08 Number theory Study and teaching. 220749 Campbell, Stephen R. 220750 Zazkis, Rina. 220751 = C.1 SDU GBE lcc 112966 112966 0 0 lcc 0 QA0241 L438 02002 0 CGB 279096 SDU SDU GEN3 2025-08-25 2 0 QA241 L438 2002 1000377843 2025-08-25 00:00:00 C.1 2025-08-25 GBE