Blalock, Hubert M.
Causal inferences in nonexperimental research / by Hubert M. Blalock, Jr. - Chapel Hill : University of North Carolina Press, c1964. - xii, 200 p. : ill. ; 21 cm.
Includes bibliographical references and index.
Includes bibliographies.
0807809179
64-22534
Social sciences--Mathematical models.
Social Sciences.
Research.
H61 / .B48 1964
300.151/95 007 / BLC
Causal inferences in nonexperimental research / by Hubert M. Blalock, Jr. - Chapel Hill : University of North Carolina Press, c1964. - xii, 200 p. : ill. ; 21 cm.
Includes bibliographical references and index.
Includes bibliographies.
0807809179
64-22534
Social sciences--Mathematical models.
Social Sciences.
Research.
H61 / .B48 1964
300.151/95 007 / BLC