TY  - BOOK
AU  - Nowak,Stefan
AU  - Lepa,Maria Olga
TI  - Methodology of sociological research: general problems 
SN  - 9027704864 :
U1  - 301.018 
PY  - 1977///-
CY  - Dordrecht, The Netherlands
PB  - D. Reidel Pub.
KW  - Social surveys
KW  - Sociology
KW  - Methodology
N1  - Translation of: Metodologia badan socjologicznych
ER  -