1. Valuing the non-market production of agriculture;Ahlheim;Agrarwirtschaft,2003
2. Livestock in Poverty Focused Development;Ashley,1999
3. Economic evaluation of smallholder subsistence livestock production: lessons from Ethiopian goat development program;Ayalew,2003
4. Ecosystem services, agriculture, and rural poverty in the Eastern Brazilian Amazon: interrelationships and policy prescriptions;Börner,2007
5. Measuring and interpreting the benefits of goat keeping in tropical farm systems;Bosman;Agricultural Systems,1997