Lipschutz, Martin M, Lipschutz, Seymour. <br/><br/>
Theory and problems of data processing. 

 - 1 
 - Singapore  Schaum's outline series  1982 
 - 218 
<br/><br/><label>ISBN: </label>7990328 
<br/><br/><label>Dewey Class. No.: </label>004.0285  LIPM