PPortfolio for peacePortfolio for peacede Thant UMateriasArbitration (International law)United NationsArbitraje internacionalPazEdiciones (2)Portfolio for peace (1971)United Nations · inglésPortfolio for peace (1970)United Nations · inglésMás obras de Thant UEEconomic and social consequences of disarmamentEconomic and social consequences of disarmamentTThe external financing of economic developmentThe external financing of economic developmentPPlanning for economic developmentPlanning for economic development