Mitchell, Mark L.
Research design explained
Thomson Wadsworth, 2007
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Marczyk, Geoffrey
Essentials of research design and methodology
John Wiley & Sons, 2005
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Goodwin, C. James
Research in psychology : methods and design
John Wiley & Sons, 2005
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Viswanathan, Madhu
Measurement error and research design
SAGE Publ., 2005
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Mitchell, Mark L.
Research design explained
Wadsworth and Cengage Learning, 2013
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