A Study of Hired Labourers in Peasant Agriculture in Sri Lanka :  English. 
Perera, J.U.L., Gunawardena, P.J. 
 - Colombo:  Agrarian Research and Training institute,  1980. 
 - 140 p.:  ill. tables;  30cm. 
<br/><br/><label>Dewey Class. No.: </label>X63:331  / AGR