TY  - BOOK
AU  - Birks,Melanie
AU  - Mills,Jane
TI  - Grounded theory: a practical guide 
SN  - 9781446295779 (hbk.)
U1  - 001.891 BIR 
PY  - 2015///
CY  - London
PB  - SAGE
KW  - Research methodology
ER  -