Duf, Jfan M. <br/><br/>
Costs, returns and repayment experience of Ujamaa villages in Tanzania, 1973-1976. 

 - Washington :  University Press of America,  1980. 
<br/><br/> Includes index. 
<br/><br/> The study is an attempt to analyse the performance of two sets of Ujamaa villages in Iringa Region. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farming systems.<br/>Cost benefit analysis -- Tanzania.--Cost benefit analysis -- Tanzania.