O'Brien,James A. <br/><br/>
Computers and information processing with software tutorial and basic / 
James A. O'Brien 
 - 2nd ed. 
 -  IRWIN,  1986 
<br/><br/><label>ISBN: </label>0256033382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers and information <br/>Computers processing with software
<br/><br/><label>Dewey Class. No.: </label>001.6  / OBR