Collins, John E. (John Edward), author
Rowman & Littlefield, 1991
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Taysum, Alison, author
Emerald Publishing Limited, 2020
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Jay Kandampully, editor
[Springer, ], 2012
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Clark, Samuel D., author
McGraw-Hill, 1978
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Brabandere, Luc de, author
Random House, 2013
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