TY  - BOOK
A2  - Gretchen B. Rossman & Sharon F. Rallis.
A3  - Rallis, Sharon F.
AU  - Rossman, Gretchen B.
ET  - 3rd ed.
NV  - XXV, 365 s. :
PY  - 2012
SN  - 9781412980487
TI  - Learning in the field : an introduction to qualitative research /
ER  -