por Crain, Robert L [autor] | Weisman, Carol Sachs.
por Ittelson, William H [autor].
por Christian, William A, 1944- [autor].
por Conference on Structural Equation Models (1970 : Madison, Wisconsin) | Duncan, Otis Dudley [editor] | Goldberger, Arthur Stanley, 1930- [editor] | University of Wisconsin. Social Systems Research Institute.