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Bradford, England : Emerald Group Publishing, c2007.
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Bradford, England : Emerald Group Publishing, c2006.
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Bradford, England : Emerald Group Publishing, c2005.
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Bradford, England : Emerald Group Publishing, c2002.
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Bradford, England : Emerald Group Publishing, c2006.
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Bradford, England : Emerald Group Publishing, c2006.
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Bradford, England : Emerald Group Publishing, c2004.
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Bradford, England : Emerald Group Publishing Limited, 2016. ©2016
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[Place of publication not identified] : Emerald Publishing, [2018]
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Bradford, England : Emerald Group Publishing, c2002.
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