Gunawardena, P.J. Chandrasiri, Athula <br/><br/>
Factors influencing vegetable prices: A study of the vegetable Economy in Sri Lanka / 
P.J.Gunawardena, Athula Chandrasiri 
 - Colombo  Agrarian research and training institute  1980 
 - xiv, 181 p. 
<br/><br/><label>ISBN: </label>69169 
<br/><br/><label>Dewey Class. No.: </label>338.17  / SRI