ISBN 9780325017334 books & textbook
Introduction to Reasoning and Proof, Grades 6-8 (Math Process Standards Gr 6-8)
O'Connell, Susan Schultz-Ferrell, Karren Thompson, Denisse R
HEINEMANN /2008-04-03 Paperback / 160 Pages
isbn-10: 0325017336 / isbn-13: 9780325017334
