Johnson, G. Vaughin. <br/><br/>
Information systems :  a strategic approach / 
by G. Vaughn Johnson. 
 - Omaha, NE :  Mountain Top Pub.,  1990. 
 - xii, 532 p. 
<br/><br/> Included index. 
<br/><br/><label>ISBN: </label>0962553301 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems.