Wanninayake,P.B <br/><br/>
සංවර්ධන පරිපාලනය 
 Sanwardana Paripaalanaya 

 -  Sri Lanka Sanwardana Paripalanaya  1991 
 -  p.230, 21.5 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Administration
<br/><br/><label>Universal Decimal Class. No.: </label>347.471.036  / WAN