Land and water resources survey in the Jebel Marra 

 - Rome  Food and Agriculture Organization      1968 
 - "United Nations Development Programme, Publication" .
<br/><br/><label>Standard No.: </label>84230 
<br/><br/><label>Source: </label> Reports 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>"X9(D2).678.N6s, K8"