Pathirana, P.R. <br/><br/>
ලියවන පට්ටලය 
= liyawana pattalaya 


 - Warakapola:  Heladiwa prakashana,  2000. 
 - 72p.;  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>621.8  / PAT