Greenwood K <br/><br/>
Sam's Teach Yourself ABAP/4 in 21 Days 

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 - xvii+729 
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<br/><br/> - 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>8131716112 
<br/><br/><label>Subjects--Topical Terms: </label><br/>"Computer Science, "SAP R/3