TY - BOOK AU - Creswell,John W. AU - Plano Clark,Vicki L. TI - Designing and conducting mixed methods research SN - 9781412975179 U1 - 001.42 CRE PY - 2011/// CY - Los Angeles PB - SAGE Publications KW - Social sciences KW - Research KW - Methodology KW - Evaluation N1 - Includes bibliographical references and indexes ER -