TY  - BOOK
AU  - Michael Quinn Patton
TI  - Practical evaluation
SN  - 0-8039-1904-2
U1  - 658.4013 
PY  - 1982///
CY  - New Delhi
PB  - Sage Publication
N1  - Michael Quinn Patton: Practical evaluation.  New Delhi.  Sage Publication, 1982. 0-8039-1904-2--(658.4013PAT)
ER  -