TY  - BOOK
AU  - Patton,Michael Quinn
TI  - Qualitative research & evaluation methods : : integrating theory and practice / 
SN  - 9781412972123
AV  - H 62  P32Q 2015
PY  - 2015///
CY  - Los Angeles : 
PB  - SAGE, 
KW  - Evaluation research (Social action programs)
KW  - Social science
KW  - Methodology
ER  -