National transport statistics 2016 (Sinhala book) 

 - Colombo  National Transport Commission  2016 
 - xxii, 157 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation-StatisticsGround transportation-Sri Lanka
<br/><br/><label>Dewey Class. No.: </label>388.021  / SRI