Atelier sur les Strategies de l`Amelioration Varietale dans la Region des Grands Lacs (1991, Kigali, Rwanda). Actes
International Scientific Meeting Cassava Biotechnology Network (1, 1992, Cartagena de Indias, Colombia). Proceedings
Curso Especial de Aperfeiçoamento para Pesquisadores de Mandioca (1974, Cali, Colombia). Trabalhos apresentados
Communication strategies for rural development: proceedings of the Cornell - CIAT International Symposium, March 17-22, 1974, CIAT Headquarters, Cali, Colombia, S.A