TY  - BOOK
AU  - Patton,Michael Quinn
TI  - Qualitative evaluation methods
SN  - 0803913958
U1  - 300.723 
PY  - 1984///
CY  - Beverly Hills
PB  - Sage Publications
KW  - Social sciences
KW  - Methodology
KW  - Evaluation research
KW  - Social action programs
ER  -