Karunathilaka, Gayani Kumari <br/><br/>
සිසු විනය කළමානාකරණය 
= Sisu Vinaya Kalamanakaranaya 


 - Polgolla,    Author,   2022. 
 - xvi, 100p.;  21cm 
<br/><br/><label>ISBN: </label>9786249905108 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School discipline and related activities
<br/><br/><label>Dewey Class. No.: </label>371.5  / KAR