Szymanski, robert A <br/><br/>
Introduction to computers and information systems /  
Robert A Szymanski ... [et. al]. 
 - 1st ed. 
 - London. :  Merrill publishing company,  1988 
 - xvi, 576p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0675207681 
<br/><br/><label>Subjects--Topical Terms: </label><br/>systems
<br/><br/><label>Dewey Class. No.: </label>005.74  / SZI