Creswell, John W. Qualitative inquiry & research design : choosing among five approaches / John W. Creswell - 2nd ed. - Thousand Oaks : Sage Publications, c2007. - xvii, 395 p. : ill. ; 23 cm. Includes bibliographical references and indexes. ISBN: 9781412916066 9781412916073 Subjects--Topical Terms: Social sciences--Methodology Dewey Class. No.: 300.72 CRQ