Do police need guns? :  policing and firearms : past, present and future / 
Richard Evans and Clare Farmer. 
 - Singapore :  Springer,   2021 
 - xi, 141 :  ill. ;  24 cm.  
<br/><br/><label>ISBN: </label>9789811595257 
<br/><br/><label>Dewey Class. No.: </label>	363.2