Humble, John William
Improving business results
Pan Books, 1972
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Humble, John William
Meningkatkan hasil perusahaan = Improving business results
Erlangga, 1979
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Improving business performance
edited by Vas Prabhu and Malcolm Baker
McGraw-Hill, 1986
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Morrisey, George L.
Management by objectives and results for business and industry
Addison-Wesley, 1977
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Hamilton, Cheryl
Communicating for results : a guide for business and the professions
Thomson/Wadsworth, 2011
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