EDIRISINGHE, Daya <br/><br/>
Samajaya  Ha Sanwardanaya  (Society and Development 

 -  Colombo :Wathma Publishers  2010 
 - 261 p. 
<br/><br/><label>ISBN: </label>9789558160091 
<br/><br/><label>Dewey Class. No.: </label>300  / E23