TY - BOOK AU - Creswell,John W AU - Plano Clark,Vicki L TI - Designing and conducting mixed methods research SN - 9781412975179 / AV - H62 C923 D4 2011 PY - 2011/// CY - Los Angeles PB - Sage Publications KW - Social sciences KW - Research KW - Methodology KW - Evaluation ER -