TY  - BOOK
AU  - Mohr,Lawrence B
TI  - Impact analysis for program evaluation 
SN  - 0256060061
AV  - H97 .M64 1988
U1  - 361.61068 22
PY  - 1988///
CY  - Chicago
PB  - Dorsey Press
KW  - Policy sciences
KW  - Evaluation research (Social action programs)
N1  - Includes index; Bibliography: p. [210]-217
ER  -