Sri Lanka (Ahungalla: 1986) <br/><br/>
Proceedings of a workshop on farming systems research and extension in Sri Lanka 

 - Ahungalla  USAID Diversified Agricultural Research Project  1924 
 - 224 pages 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farming systems
<br/><br/><label>Dewey Class. No.: </label>631  / WOR