Edwards, Ronald S., author
Macmillan, 1961
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Keith Popplewell, Klaus-Dieter Thoben, Thomas Knothe, Raul Poler, editors
Springer Nature, 2019
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Hodgetts, Richard M., author
Saunders, 1977
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Kolde, Endel J.
Prentice-Hall, 1968
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IT Governance Institute
John Wiley & Sons, 2005
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