Managing resources in erratic environments  : an analysis of pastoralist systems in Ethiopia, Niger, and Burkina Faso 
Nancy McCarthy... [et al.] 
 - Washington  IFPRI  2004 
 - 89 p.  30 cm 
 - Research report / IFPRI  135 .
 - Research report / IFPRI .
<br/><br/><label>ISBN: </label>0896291383 
<br/><br/><label>Subjects--Index Terms: </label>Sistemas de pastoreo Manejo de praderas Africa