Thimm, Heinz-Ulrich. <br/><br/>
Development projects in the Sudan; an analysis of their rereports with implications for research and training in arid land management 

 - Tikyo :  The United Nations University,  1979 
 - 59 p.  : mapas 
 - NRTS, 1/UNUP  ; 42 .
 - NRTS, 1/UNUP  ; 42 .
<br/><br/><label>LCCN: </label>45541 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Innovaciones tecnológicas.<br/>Agricultura--Regiones áridas.<br/>Agricultura--Sudán.<br/>Agricultura--Sudán.<br/>Regiones áridas--Agricultura.<br/>Regiones áridas--Condiciones rurales.