Seminario sobre Discrepancias en las Estadísticas de Comercio Exterior de los Países del Istmo Centroamericano (1966 : Escuela Superior de Administración Pública América Central)
General Fisheries Council for the Mediterranean (Food and Agriculture Organization of the United Nations). Working Party on Resources Appraisal and Fishery Statistics
Joint Meeting of the Western Central Atlantic Fishery Commission Working Party on Assessment of Fish Resources and Working Party on Stock Assessment of Shrimp and Lobster Resources (1977 : Cartagena, Colombia)