TY - BOOK AU - Lenchner,G. TI - Creative problem solving in school mathematics SN - 9780975731611 U1 - 510.7 PY - 2005/// CY - USA PB - Australasian Problem Solving Mathematical Olympiads (APSMO) Inc KW - Mathematics--Study and teaching (Secondary) KW - Problem solving--Study and teaching KW - Mathematics--Study and teaching (Primary) ER -