MUSGROVE, Walter J.; WHITESIDES, Mary G. A Study of Negro and White Low Socio-Economic Class Children on the Variables of Race, Sex and Kindergarten Attendance and on General Social Adjustment. Florida Journal of Educational Research, [S. l.], v. 15, n. 1, p. 10–17, 1973. Disponível em: https://journals.flvc.org/fjer/article/view/133827. Acesso em: 27 jan. 2025.