1-2-3 :  An Introduction / 
National Informatics Centre 
 - New Delhi  NIC  1992 
 - 142p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers, programming languages and allied aspects<br/>123 (Computer software)
<br/><br/><label>Dewey Class. No.: </label>005.133LOTUS  / NIC