Killion, Joellen Assessing impact : evaluating staff development - 2nd ed - Thousand Oaks, CA: Corwin Press, 2008 - xvi, 237 p. : ill. ; 29 cm. 1 CD-ROM (4 3/4 in.) ISBN: 9781412953559 Subjects--Topical Terms: Teachers - In-service training Dewey Class. No.: 370.7155 KIL