TY - BOOK AU - Posamentier, Alfred S. AU - Krulik, Stephen TI - Problem-solving strategies in mathematics : : from common approaches to exemplary strategies SN - 978-9814651639 U1 - 519.3 PY - 2015/// CY - Singapore PB - : World Scientific Publishing KW - Mathematics--Study and teaching (Elementary) | Problem solving--Study and teaching (Elementary) ER -