Welsh, Michael J. <br/><br/>
Study guide and workbook:  computers concepts and uses Mary Sumner / 
Michael J. Welsh 
 - New Jersey  Prentice-Hall  1985 
 - xii,200p  24cm 
<br/><br/> Study guide and workbook 
<br/><br/><label>ISBN: </label>0131637673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>001.64  / WEL