Jayathilaka, K.M.D.S. <br/><br/>
සාපෙක්ෂ චලිතය : උසස් පෙළ ගණිතය    
= sapeksha chalithaya (relative motion) 


 - Battaramulla :   Author,  2003. 
 - ix,297p.;  ill.;  22cm 
<br/><br/><label>ISBN: </label>955-97779-1-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>531.11  / JAY