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1
Cooper, W D., 569-C778e | Prentice-Hill | 1985 569-C778e,
2
Lee G. Cooper, | American Marketing Association | 2000 ,
3
Dan Ding, | Institute of Electrical and Electronics Engineers | 2004 ,
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Rory A. Cooper, | Institute of Electrical and Electronics Engineers | 2002 ,
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Rory A. Cooper, | Institute of Electrical and Electronics Engineers | 2000 ,
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Cooper, R., | Warren, Gorham and Lamont | 2002 ,
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Cooper, R., | Warren, Gorham and Lamont | 2003 ,