Wirtz,Bernd W. <br/><br/>
Digital business models :  Concepts, models, and the alphabet case study 

 - Switzerland,  Springer,  2019. 
 - x,247p. 
<br/><br/><label>ISBN: </label>978303013077 
<br/><br/><label>Dewey Class. No.: </label>381.142 WIR/D