Hopson, Barrie
Arcan, 1997
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Eales-White, Rupert, author
Think, 2006
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Matondang, M.H., author
Expert, 2018
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tim penyusun, Rusmin Effendy ... [and others] ; editor Djudjuk Juyoto, Nung Runua
Bina Rena Pariwara, 1993
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Ciampa, Dan
Harvard Business School Press, 1999
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