ISBN 0205627579 books & textbook
Making Content Comprehensible for Secondary English Learners: The SIOP Model
Echevarria, Jana J. Vogt, MaryEllen J. Short, Deborah J.
Pearson /2009-04-04 Paperback / 288 Pages
isbn-10: 0205627579 / isbn-13: 9780205627578