A study on the effectiveness of bus passenger transport system in the Colombo City 
Senadheera, M. 
 -  2009. 
 - 72p.: 
<br/><br/> Wijekoon, W.M.M.G.D., & Medagama, S. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/50