1. Ashagrie, K. (1998). Statistics on working children and hazardous child labour in brief. Geneva: International Labour Organization. Retrieved September 21, 2004 from http://www.ilo.org/public/english/comp/child/stat/stats.htm
2. Barros R., Mendonca R. (1998). O impacto de tres inovações institucionais na educação brasileira. Texto para discussao no. 566. Instituto de Pesquisa Economica Aplicada, Rio de Janeiro
3. Behrman J., Schneider R. (1996). Where does Brazil fit? Schooling investments in an international perspective. In: Birdsall N., Sabot R. (eds). Opportunity foregone: Education in Brazil. Inter-American Development Bank, Washington DC, pp. 49–82
4. Biblarz T., Raftery A. (1999). Family structure, educational attainment, and socioeconomic success: Rethinking the pathology of matriarchy. American Journal of Sociology 105:321–365
5. Birdsall N., Bruns B., Sabot R. (1996). Education in Brazil: Playing a bad hand badly. In: Birdsall N., Sabot R. (eds). Opportunity Foregone: Education in Brazil. Inter-American Development Bank, Washington, DC, pp. 7–48