Working with communities and building local institutions for sustainable land management in the Ethiopian highlands
Banana root system: towards a better understandingfor its productive management/Sistema radical del banano: hacia un mejor conocimiento para su manejo productivo: Proceedings of an international symposium held in San José, Costa Rica, 3-5 November 2003/Memorias de un simposio internacional, San José, Costa Rica, 3-5 noviembre 2003
