TY  - BOOK
AU  - Mohr,Lawrence B.
TI  - Impact analysis for program evaluation
SN  - 0803949812
AV  - SOC H97.M66 
PY  - 1992///
CY  - Newbury Park
PB  - Sage Publications
KW  - Policy sciences
KW  - Evaluation research (Social action programs)
N1  - Includes bibliographical references and index
ER  -