Clóvis Cavalcanti
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Mot-clé
Human ecology (2) Economics (2) Droughts (2) Arid regions ecology (2) Rural conditions (2) Condiciones rurales (2) Ecología humana (2) Economía (2) Sequía (2) Écologie humaine (2) Écologie des régions arides (2) Sécheresse (2) Sahel (2) Conditions rurales (2) Zone sahélienne (2) Nordeste (2) Brésil (2) Intercession (1) Economic conditions (1) History (1) Assaying (1) Diseases and pests (1) Communication (1) Surveys (1) Non-governmental organizations (1) Scientists (1) Progress (1) Politics, Practical (1) Political science (1) Physical geography (1)
Documents écrit par Clóvis Cavalcanti (7) | parle de Clóvis Cavalcanti (0)
