Calvey, David <br/><br/>
Covert research: The art, politics and ethics of undercover fieldwork 

 - London  Sage  2017 
 - 235 p. 
<br/><br/> 2878 19/09/2017 RK17/1959 03/10/2017 Ch. Ranbir Singh Institute of Social and 
<br/><br/><label>ISBN: </label> GBP26.99 
<br/><br/><label>Dewey Class. No.: </label>001.42 C139C