CAUSAL INFERENCES IN NONEXPERIMENTAL RESEARCH
| Alternative title: | CAUSAL INFERENCES IN NONEXPERIMENTAL RESEARCH |
|---|---|
| Year of publication: |
1975 ; 7. PRINT.
|
| Authors: | Blalock, Hubert M. |
| Publisher: |
CHAPEL HILL : UNIV. OF NORTH CAROLINA PR. |
| Subject: | Kausalität | Forschung |
