Wijeratne, Mahinda <br/><br/>
Farmer extension and research in Sri Lanka 

 - Matara  University of Ruhuna  1988 
 - xxii,278 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURAL EXTENSION<br/>AGRICULTURE<br/>AGRICULTURE RESEARCH<br/>SRI LANKA
<br/><br/><label>Dewey Class. No.: </label>630  / WIJ