TY - BOOK AU - Ravitch,Sharon M. AU - Riggan,Matthew TI - Reason & rigor: how conceptual frameworks guide research SN - 9781412981255 (pbk.) AV - H62 RAV PY - 2012/// CY - Thousand Oaks PB - Sage Publications KW - Social sciences KW - Research KW - Methodology KW - Qualitative research N1 - Includes bibliographical references and indexes ER -