Najeebullah, M.K <br/><br/>
The Managerial Role of the Principal in Implementation of Effective Teaching System of Teaching-Learning Process in Mawanella Education Zone 

 - Maharagama 
 - 115p. 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education Management<br/>PGDEM<br/>Principal Management