Perera, U.L.J. Gunawardena, P.J.  <br/><br/>
Hired Labourers in Peasant Agriculture in Sri Lanka 

 - Agrarian Research and Training Institute  Colombo, Sri Lanka  1980 
 - 140p.  chart 
 - Research Study No. 40 .
<br/><br/><label>Nat. Bib. No.: </label>5024 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.15  / PER