TY  - BOOK
AU  - Rossi,Peter H.
AU  - 
TI  - Evaluation: : a systematic approach
SN  - 803917848
AV  - H62.R666 1982 
PY  - 1982///
CY  - California
PB  - Sage Publications
KW  - Evaluation research (Social action programs)
N1  - Includes index and bibliography
ER  -