De Silva, D.C. <br/><br/>
විෂයමාලා කළමනාකරණය 
= paasal kaLamanakarana vayavahara -04 


 - Colombo:  Godage,  2007. 
 - 108p.;  22 cm. 
<br/><br/><label>ISBN: </label>955-20-9565-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>373.19  / DES