DIAS A.A.H.A <br/><br/>
Colombo : The Department of National Planning 

 -  Colombo : the deparment of na  tional plan2002 
 - xii, 76 P 
<br/><br/><label>ISBN: </label>955-9017-10-1 
<br/><br/><label>Dewey Class. No.: </label>363.7009549