Kent, R. (2015). Analysing quantitative data: Variable -based and case-based approaches to non-experimental datasets. Sage.
Chicago-tyylinen lähdeviittausKent, Raymond. Analysing Quantitative Data: Variable -based and Case-based Approaches to Non-experimental Datasets. Los Angeles: Sage, 2015.
MLA-viiteKent, Raymond. Analysing Quantitative Data: Variable -based and Case-based Approaches to Non-experimental Datasets. Sage, 2015.
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