Surveys in social research.
Vaus, David De.
Surveys in social research. - London : Routledge, 2014. - 381 p. : ill. ; 30 cm.
9780415530187
W 20.5 VS 2014
Surveys in social research. - London : Routledge, 2014. - 381 p. : ill. ; 30 cm.
9780415530187
W 20.5 VS 2014