Dunteman, George Henry
Sage Publications, 1984
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Johnson, Richard A., author
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Lindsay, David, author
Longman, 1995
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Joseph F. Hair Jr., author; William C. Black, author; Barry J. Babin, author; Rolph E. Anderson, author
Pearson, 2014
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Hardle, Wolfgang Karl, author
Springer , 2012
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