Paul Johannesson and Erik Perjons <br/><br/>
Introduction to Design Science 
Johannesson, Paul  
 - 2nd 
 - Switzerland   Springer  2021 
 - 211 
<br/><br/><label>ISBN: </label>9783030781316 
<br/><br/><label>Dewey Class. No.: </label>005.1  / JOH