Welgama, Senarathna <br/><br/>
ධාරා විද්‍යුතය 
 Dhaaraa vidyuthya 

 - Colombo  S.Godage   2002 
 - 112p.,  22 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics <br/>A/L electricity
<br/><br/><label>Universal Decimal Class. No.: </label>621.371.21  / WEL