TY  - BOOK
AU  - Rossi, Peter Henry
AU  - Freeman, Howard E.
AU  - Lipsey, Mark W.
TI  - Evaluation: a systematic approach by Peter H. Rossi, Howard E. Freeman, and Mark W.Lipsey
SN  - 0716908935
PY  - 1999///
CY  - Thousand Oaks, California
PB  - SAGE Publications
KW  - Evaluation research (Social action programs)
N1  - Includes bibliographical references (p. 451-475) and index
ER  -