TY  - BOOK
AU  - Judd, Charles M.
AU  - Kenny, David A.
TI  - ESTIMATING THE EFFECTS OF SOCIAL INTERVENTIONS
U1  - 361.973 
PY  - 1981///
CY  - Cambridge
PB  - University Press
KW  - Social Science Research -- United States
KW  - Evaluation Research (Social Action Programs) -- United States
ER  -