OBER SCOT,  JOHNSON JACK E., RICE ARLENE, HANSON ROBERT N. <br/><br/>
GREGG COLLEGE KEYBOARDING & DOCUMENT PROCESSING  

 - 9th ED. 
 - NEW YORK,  GLENCOE/McGRAW- HILL,  2002. 
<br/><br/><label>ISBN: </label>0078241766. 
<br/><br/><label>Dewey Class. No.: </label>652.397 41 GRE