ISBN 9780201480429 books & textbook
A Collection of Math Lessons - from Grades 6 Through 8 by Cathy Burns Marilyn; Humphreys (1990-05-03)
Marilyn; Humphreys, Cathy Burns
Math Solotions Publications /1990T Paperback / 188 Pages
isbn-10: 0201480425 / isbn-13: 9780201480429
