Beach, Dereck. <br/><br/>
Process-tracing Methods:   foundations and guidelines / 
Beach Dereck and Pedersen Rasmus Brun. 
 - United States :  Michgan Press,   2019 
 - Second Edition. x, 318 pages :  illustrations ;  24 cm 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780472131235 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tracing.