ECONOMIC SITUATION, POLITICA ECONOMICA, ENTORNO SOCIOECONOMICO, POLITIQUE ECONOMIQUE, POLITICA AGRICOLA, HUMAN RESOURCES, ADAPTATION DE LA PRODUCTION, ENVIRONNEMEN... GA Cornia,RVD Hoeven,T Mkandawire,... - Macmillan , St. Martin's Press 被引量: 112发表: 1992年 Relations between man and his ...