Gliner, Jeffrey A. Research methods in applied settings : an integrated approach to design and analysis / Gliner, Jeffrey A.; Morgan, George A.;Leech, Nancy L. - 2nd - New York : Routledge, 2009. - xviii,469p. cm. ISBN: 9780805864342 31051.0635 Standard No.: 118247 Source: 247, 21/11/2012, Classic Book Service Textual Subjects--Topical Terms: Reference Dewey Class. No.: Σ:f P9;2