Lawlor, S.C. <br/><br/>
Computer information systems / 
Steven C. Lawlor. 
 - San Diego :  Harcourt Brace Jovanovich,  c1990. 
 - xxi, 450 p. :  ill. (some col.) ;  26 cm. 
<br/><br/>Includes bibliographical references (p. 424-425) and index. 
<br/><br/><label>ISBN: </label>0155126539 
<br/><br/><label>Source: </label>B-19475 
<br/><br/><label>LCCN: </label>89084374  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology.<br/>Computers.<br/>Computer software.
<br/><br/><label>LC Class. No.: </label>QA76.73.L38  / .L38 
<br/><br/><label>Dewey Class. No.: </label>004