Palela, Elizabeth Bernard <br/><br/>
Understanding change in the traditional vinyungu farming system   : a case of the little Ruaha river in Iringa region, Tanzania 

 - Bremen    : Universitat Bremen,  2011 
 - vii, 197p.   : ill.   ; 30cm. 
<br/><br/>Includes bibliographical references<br/>Thesis: PhD.- Universitat Bremen<br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems<br/>Farming system<br/>Ruaha river<br/>Vinyungu farming system
<br/><br/><label>LC Class. No.: </label>THS EAF S473.T34P34