ISBN 9780328167234 books & textbook
Mathematical Thinking at Grade 2: Introduction
Karen Economopoulos, Joan Akers, Doug Clements, Anne Goodrow, Jerrie Moffet, Julie Sarama
Scott Foresman, Pearson Education Inc. /2006T Paperback / 220 Pages
isbn-10: 0328167231 / isbn-13: 9780328167234