TY - BOOK AU - Creswell, John W. AU - Crewell, J. david. TI - Research design: qualitative, quantitative, and mixed methods approaches SN - 9781071870631 U1 - DC 300.721 C865 2023 PY - 2023/// CY - California PB - Sage Publications, Inc. KW - Social sciences KW - Research KW - Methodology. KW - Statistical methods. N1 - Includes glossary, references, and index ER -