Koolman, James A <br/><br/>
සාපේක්ෂතාවාදය    
= sapekshathawadaya 


 - Colombo :  Godage,  1995. 
 - 126p.;  ill.;  22cm 
<br/><br/><label>ISBN: </label>955-20-0065-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / KOO