1. Abler, D., Rodrı́guez, J., & Robles, H. (1998). The allocation of children's time in Mexico and Peru. Population Research Institute Working Paper 98–08, Pennsylvania State University
2. Alessie, R., Baker, P., & Blundell, R. (1992). The working behavior of young people in rural Côte d'Ivoire. World Bank Economic Review, 6(1), 139–154
3. Female labour force participation in developing countries: a critique of current definitions and data collection methods;Anker;International Labour Review,1983
4. Anker, R., Khan, M.E., & Gupta, R.B. (1988). Women's participation in the labour force: A methods test in india for improving its measurement. Geneva: International Labour Organisation
5. Female-headed households poverty, and the welfare of children in urban Brazil;Barros;Economic Development and Cultural Change,1997