00777nam0-22002771i-450-9900031794304033210-8039-5128-0000317943FED01000317943(Aleph)000317943FED0100031794320000920d1993----km-y0itay50------baitaITRegression With Dummy VariablesMelissa A. Hardy.Beverly HillsLondonSage1993Quantitative applications in the social sciences93Hardy,Melissa A.ITUNINARICAUNIMARCBK99000317943040332110810 SAG/9312637SESSESRegression With Dummy Variables452718UNINAING01