TY  - GEN
AU  - Mohr,Lawrence B.
TI  - Impact Analysis for Program Evaluation
SN  - 0256060061
U1  - 361.61068 22
PY  - 1988///
CY  - Chicago
PB  - The Dorsey Press
KW  - Evaluation research (Social action programs)
N1  - Includes bibliographical references and index
ER  -