Russo, Marco Ferrari, Alberto <br/><br/>
The definitive guide to DAX - business intelligence with Microsoft Excel, SQL server analysis services and Power BI 

 - Washington :  Pearson Education Limited,  2015 
<br/><br/><label>ISBN: </label>9780735698352 
<br/><br/><label>Dewey Class. No.: </label>005.756 DAX