TY  - BOOK
AU  - patton,michael q
ED  - Sage 
TI  - how to use qualitative methods in evaluation
SN  - 0 8039 3129 8
PY  - 1987///.
CY  - london: 
PB  - sage publications, 
KW  - Evaluation
KW  - Interview
KW  - OBSERVATION
KW  - qualitative methods
N1  - 176pp., 22x14
ER  -