Bamboo and rattan genetic resources and use: Proceedings of the third INBAR-IPGRI Biodiversity, Genetic Resources and Conservation Working Group Meeting: 24-27 August, 1997, 1PGRI-APO, Serdang: and research reports
Participatory research for improved agroecosystem management : Proceedings of a synthesis workshop, Nazreth, Ethiopia, 17-21 August, 1998
Conservación de suelos y aguas en la zona andina : Hacia el desarrollo de un concepto integral: Memorias