ISBN 1607524147 books & textbook
A 5-Year Study of the First Edition of the Core-Plus Mathematics Curriculum (Hc) (Research in Mathematics Education)
Schoen, Harold Ziebarth, Steven W Hirsch, Christian R
Information Age Publishing /2010-06-29 Hardcover / 422 Pages
isbn-10: 1607524147 / isbn-13: 9781607524144