Peiris, Sunil S. <br/><br/>
Information & Communication Technology Grade- 06. 

 - 8th, Ed. 
 - Srilanka :  Orient IBH,  2016. 
 - 140 p. 
<br/><br/><label>ISBN: </label>9788171709243 
<br/><br/><label>Dewey Class. No.: </label>001  / PER