TY  - BOOK
AU  - Creswell,John W.
TI  - Research design: qualitative & quantitative approaches 
SN  - 0803952546
AV  - H62 .C6963 1994
PY  - 1994///
CY  - Thousand Oaks, CA
PB  - Sage Publications
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Local
KW  - Statistical methods
N1  - Includes bibliographical references (p. 209-216) and indexes
ER  -