1. Sen A. Inequality reexamined. Oxford: Oxford University Press; 1992.
2. Sen A. Social exclusion: concept, application and scrutiny. In: Sen A, editor. Social development papers, no 1, Office of Environment and Social Development Asian Development Bank; 2000. p. 7–23.
3. Sen A. On Ethics and economics. Oxford: Blackwell Publishers; 1991.
4. Sen A. Development as freedom. New York: Alfred Knopf; 1999.
5. Bardone L, Guio AC/Eurostat. In-work poverty; new commonly agreed indicators at the EU level. Statistics in focus; population and living conditions (ESTAT, 2005).