Bartel, Rainer. <br/><br/>
Excel para todos 
Rainer Bartel. 
 - Barcelona  Marcombo, S.A.  1994. 
 - 269 p. 
<br/><br/> Translation of : Excel für alle. 
<br/><br/><label>ISBN: </label>8426709443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Excel Computer program language<br/>Structured programming