Walker, Constance Louise, 1948-. Locus of control and attribution responses of bilingual Spanish-English children [microform] / by Constance Louise Walker. - Ann Arbor, Mich. : University Microfilms International, 1981. - 2 microfiches ; 11 x 15 cm. Thesis (Ph. D.)-University of Illinois, 1980. Subjects--Topical Terms: Achievement motivation.Bilingualism.Child psychology.