Hardy, Melissa A Regression with dummy variables - 1st ed. - Newbury Park Sage Publications c1993 - vi, 90 p. : ill. ; 22 cm. ISBN: 9780803951280 Subjects--Topical Terms: Dummy variablesRegression AnalysisSocial sciences - Statistical methods Dewey Class. No.: 300.1519536 , A3/1