Nanayakkara, V.N.D. <br/><br/>
History of computers 

 - Colombo:  S. Godage & Brothers,   2000 
 - ix, 133p.;  23cm. 
<br/><br/><label>ISBN: </label>9552040477 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science 
<br/><br/><label>Dewey Class. No.: </label>004.09  / NAN