Patton, Micheal Quinn Utlisation-Focused Evaluation/ Micheal Quinn Patton - 4th ed. - London : SAGE, c2008. - Xv, 667p. : ill. ; 26cm. Includes Bibliographic References and Index ISBN: 9781412958615 Subjects--Topical Terms: Dewey Class. No.: 361.61068 / PAT