1. Poverty and the globalization of the food and agriculture system;von Braun,2007
2. On finding solutions to ethical problems in agriculture;James;J. Agric. Environ. Ethics,2003
3. Rerum Novarum Encyclical of Pope Leo Xiii on Capital and Labor;Pope Leo XIII,1891
4. Global Hunger Index. The Challenge of Hunger 2008;von Grebmer,2008
5. FAO Briefing Paper. (2008) Briefing paper: hunger on the rise Soaring prices add 75 million people to global hunger rolls, Rome.