Jackson, Sherri L.
Research methods and statistics : a critical thinking approach
Cengage Learning, 2015
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Jackson, Sherri L.
Research methods and statistics : a critical thinking approach
Thomson Wadsworth, 2006
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Jackson, Sherri L.
Research methods and statistics : a critical thinking approach
Wadsworth and Cengage Learning, 2012
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Bordens, Kenneth S.
Research and design methods: a process approach
McGraw-HIll, 2005
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Bordens, Kenneth S.
Research design and methods: a process approach
McGraw-Hill, 2002
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