Improving the efficiency of the examination process of the Open University of Sri Lanka 
Uyangoda, S. 
 -  2006. 
 - viii,191p.: 
<br/><br/> Amaragunasekara, S.D.L., & Wickremasinghe, G. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/32