Greenwood, Ken <br/><br/>
SAMS Teach yourself ABAP /4 in 21 days 

 - New Delhi  Techmedia  1999 
 - xvii,730p.  23 cm. 
<br/><br/><label>ISBN: </label>8176351628 
<br/><br/><label>Dewey Class. No.: </label>005.758  / GRE