Campbell, Mary V. <br/><br/>
Simply 1-2-3 / 
Mary Campbell. 
 - Berkeley, Calif. :  Osborne McGraw-Hill,  1991. 
 - 214 p. :  illus. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0-07-881751-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Computer programs