Szymanski , Robert A <br/><br/>
Introduction to computers and information systems  [[Book] /] 
Robert A. Szymanski ... [et al.]. 
 - 2nd.ed. 
 - New York :  Toronto :  New York :  Macmillan ;  Merrill Publishing company  M. Macmillan International,  1991. 
 - 768 p. :  ill. (chiefly col.) ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>0675212723 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Electronic data processing.
<br/><br/><label>Dewey Class. No.: </label>004 
<br/><br/><label>National Library of Medicine Call No.: </label>004  / S I