TY  - BOOK
AU  - Calvey, David 
TI  - Covert research: the art, politics and ethics of undercover fieldwork
SN  - 9781849203845
U1  - 001.42 CAL 
PY  - 2017///
CY  - London
PB  - Sage Publications Ltd.
KW  - Covert research
KW  - Research
KW  - Research methods
ER  -