A study of investigate perception regard in primary education in Teldeniya Education Zone 
Bandara, H.R.S. 
 -  2006. 
 - x,89p.: 
<br/><br/> Jayasundara, W.A., & Amaragunasekara, A.L. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/28