00441nam a2200157Ia 4500080000500000245013700005260002400142300001100166500001500177650002900192650001900221650001600240010000900256010000900265011000900274  a  aLe sahel face aux futurs: dependance croissante ou transformation Structurele: etude prospectives des pays saheliens,1985-2010/ OCDE  aParis:bOCDE,c1987  a271 p.  aexemplares  aEconomia-paises do sahel  aPolitica-sahel  aColonizacao  atrue  atrue  aOCDE