TY  - BOOK
AU  - Judd,Charles M.
AU  - Kenny,David A.
TI  - Estimating the effects of social interventions
SN  - 0521229758
PY  - 1981///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Evaluation research (Social action programs)
KW  - United States
KW  - Social sciences
KW  - Research
N1  - Includes index; Bibliography: p. 230-238
ER  -