Gartrell, Dan A guidance approach for the encouraging classroom / Dan Gartrell - 5th Edition - Singapore: Wadswo0rth Cengage Learning, 2011. - xvi, 592pp col., ill. Includes Bibliographical reference and index. ISBN: 978-0-495-80802-2 Subjects--Topical Terms: Dewey Class. No.: M 371.4092 G19 2011