Social surveys.4V
De Vaus David Ed.
Social surveys.4V De Vaus David Ed. - 2 - Los Angeles Sage Publications 2007 - Sage benchmarks in social research methods. .
122588
Textual
Sigma : f.1'Pt4, P7.1-.4
Social surveys.4V De Vaus David Ed. - 2 - Los Angeles Sage Publications 2007 - Sage benchmarks in social research methods. .
122588
Textual
Sigma : f.1'Pt4, P7.1-.4