TY - BOOK AU - Krulik,Stephen AU - Rudnick,Jesse A. TI - Reasoning and problem solving: a handbook for elementary school teachers SN - 0205140068 PY - 1993/// CY - Boston PB - Allyn and Bacon KW - Problem solving KW - Study and teaching KW - Mathematics KW - Study and teaching (Elementary) N1 - Includes bibliographical references ER -