TY  - BOOK
AU  - Rossi,Peter Henry
AU  - Freeman,Howard E.
AU  - Rosenbaum,Sonia
TI  - Evaluation: a systematic approach 
SN  - 0803917848
U1  - 361.6/1/072 19
PY  - 1982///
CY  - Beverly Hills, Calif.
PB  - Sage Publications
KW  - Evaluation research (Social action programs)
N1  - Includes indexes; Bibliography: p. 331-344
ER  -