Lawson, Tom R.
Research and statistics for social workers
Routledge, 2019
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Coolican, Hugh
Research methods and statistics in psychology
Hodder & Stoughton, 2009
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Coolican, Hugh
Research methods and statistics in psychology
Psychology Press, 2014
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Fisher, Ronald A.
Statistical methods for research workers
Hafner Press, 1970
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Furlong, Nancy E.
Research methods and statistics: an integrated approach
Harcourt College Publishers, 2000
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