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Fielding , J. and Gilbert , N. (2006) Understanding Social Statistics , London: Sage
Field, A. (2018) Discovering Statistics Using IBM SPSS Statistics, London: Sage Publications.
Cronk , B. (2020) How to Use SPSS. A Step By Step Guide to Analysis and Interpretation, New York:
Cleff, T. (2019) Applied Statistics and Multivariate Data Analysis for Business and Economics . A Modern Approach Using SPSS, Stata, and Excel, Cham: Springer
Agresti, A. and Finlay, B. (2014) Statistical Methods for the Social Sciences, Essex (UK): Prentice Hall.
Secundária
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Sarantakos, S. (1998) Social Research, Basingstoke Palgrave