TY  - BOOK
A2  - Perri 6 and Christine Bellamy.
A3  - Bellamy, Christine.
AU  - 6, Perri
NV  - VIII, 325 s. :
PY  - 2012
SN  - 9780857024732
SN  - 9780857024749
TI  - Principles of methodology  : research design in social science /
ER  -