TY - BOOK AU - Krulik AU - Rudnick, Jesse A. TI - The new sourcebook for teaching reasoning and problem solving in elementary school SN - 0205148263 U1 - 370.1524 KRU 1995 PY - 1995/// CY - Boston PB - Allyn and Bacon KW - Mathematics KW - Study and teaching KW - Problem solving KW - Reasoning ER -