Gamage, Dhanawardana <br/><br/>
Some issues related to sustainability of farming systems in the central highland region of Sri Lanka 

 - Sri Lanka  HARTI  2002 
 - viii,51p.  29cm 
 - Research study No. 108 .
<br/><br/><label>ISBN: </label>9556120521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/>products<br/>Agriculture<br/>production
<br/><br/><label>Dewey Class. No.: </label>338.17  / GAM