"Mallawa Arachchi, Chammika" <br/><br/>
ඩිජිටල් තොරතුරු ආර්ථිකය/ 
Chammika Mallawa Arachchi 
 - Colombo:  "Fast Publisher,"  2018 
 - 87p. 
<br/><br/><label>Subjects--Index Terms: </label>DigitalInformationEconomics 
<br/><br/><label>Dewey Class. No.: </label>381