TY - BOOK AU - Creswell, John W., Creswell, J. David TI - Research design : qualitative, quantitative, and mixed methods approaches: qualitative, quantitative, and mixed methods approaches SN - 9798389303751 U1 - 300.72 23 PY - 2018///] CY - [place of publication unidentified] PB - Morei Gale KW - Social sciences - - Research - - Methodology KW - Social sciences -- Statistical methods N1 - Bibliography: p. 273-289; Includes index; Includes glossary ER -