When to use what research design /

by Vogt, W. Paul.
Published 2012

Dictionary of statistics and methodology : a nontechnical guide for the social sciences /

by Vogt, W. Paul.
Published 1993

Dictionary of statistics & methodology : a nontechnical guide for the social sciences /

by Vogt, W. Paul.
Published 2005

Quantitative research methods for professionals /

by Vogt, W. Paul.
Published 2007