TY  - BOOK
AU  - Creswell,John W.
AU  - Creswell,J.David
TI  - Research design: qualitative, quantitative & mixed methods approaches 
SN  - 9781506386768 (pbk.)
AV  - H62 .C74 2018
U1  - 300.721 23
PY  - 2018///]
CY  - Thousand Oaks, California : 
PB  - SAGE
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Statistical methods
N1  - Previous edition: 2014; Includes bibliographical references and index
ER  -