TY  - BOOK
AU  - Patton, Michael Quinn
TI  - Qualitative Research and Evaluation Methods/ 
SN  - 1412972123
AV  - H62 .P38 2015 
PY  - 2015///
CY  - Los Angeles
PB  - Sage
KW  - Social sciences
KW  - methodology
KW  - Evaluation reserach
ER  -