Samarakoon,Nimal <br/><br/>
ඵලදායිතාවය අරඹමු 
= Paladayithawaya arabamu 


 - Lindula  Weel power,  2014 
 - 185p.;  21cm 
<br/><br/><label>ISBN: </label>97895502530607 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production efficiency
<br/><br/><label>Dewey Class. No.: </label>338.16  / SAM