Tropical agricultural research and extension vol.03, No.1, 2000 

 - Peradeniya  Faculty of agriculture, University of Ruhuna  2000 
 - 89 p. 
<br/><br/><label>ISBN: </label>161526 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>630.5  / TRO