Orilra, S. Lawrence. <br/><br/>
Study guide to accompany computers and information an introduction / 
Lawrence S. Lawrence. 
 - 3rd ed. 
 - U.S.A. :  c McGraw-Hill;  1986. 
 - 261p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>X 
<br/><br/><label>Dewey Class. No.: </label>005  / ORC