TY  - BOOK
AU  - Patton,Michael Quinn
TI  - Qualitative research & evaluation methods: integrating theory and practice 
SN  - 9781412972123 (alk. paper)
U1  - 001.42 23
PY  - 2015///
CY  - Los Angeles
PB  - Sage
KW  - Social sciences
KW  - Methodology
KW  - Evaluation research (Social action programs)
N1  - Revised edition of the author's Qualitative evaluation methods
ER  -