Lior Gideon
Handbook of survey methodology for the social sciences
Springer Science, 2012
 eBooks
Judd, Charles M.
Research methods in social relations
Methuen, 1991
 Buku Teks
Lee, Raymond M.
Unobtrusive methods in social research
Open University Press, 2000
 Buku Teks
Research methods in social relations
by Claire Selltiz ... [and others]
Methuen, 1965
 Buku Teks
Research methods in social relations
by Louise H. Kidder ... [and others]
Holt, Rinehart and Winston, 1981
 Buku Teks