Abdel Rahim, Afaf Hassan <br/><br/>
Economic analysis of deforestation  the case of the gum arabic belt in Sudan. 

 - VI, 141 p. 
<br/><br/> Bibliogr., summary 
<br/><br/>Diss. doct. 
<br/><br/><label>ISBN: </label>90-8504-469-3