Szymanski, Robert A. <br/><br/>
Introduction to computers and information systems 
Robert A. Szymanski ... (et al.) 
 - Columbus, Ohio  Merrill  1988 
 - 577 p. : ill. ; 25 cm. 
<br/><br/><label>ISBN: </label>0675207681 
<br/><br/><label>LCCN: </label>87-61715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers<br/>Information systems<br/>Computer software