TY  - BOOK
AU  - Rossi P H
AU  - Freeman H E.
TI  - Evaluation: A systematic approach
SN  - 0803934890
PY  - 1989///
CY  - Newbury Park, California
PB  - Sage Publications, Inc.
KW  - Evaluation Research(Social action programs)
KW  - Social Sciences-methods
ER  -