Farming systems and farming systems research programme in Tanzania at international conference center Arusha april 14-16, 1981 

 - Morogoro  :Tanzania adventist Press,  1981. 
 - v.  ;34cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems, <br/>Congresses
<br/><br/><label>LC Class. No.: </label>EAF QTO S494.5.S95F37