Kretschmer, Rudiger <br/><br/>
Developing SAP's R/3 applications with ABAP/4 / 
Kretschmer, Rudiger. 
 - New Delhi:  BPB Publications,  1997. 
 - xxix,657p;28cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8170298008 
<br/><br/><label>Dewey Class. No.: </label>005.133 KRE