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Drucher, Peter F.. (2009). THE EFECTIVE EXECUTIVE . Jakarta: PT SERABI ILMU SEMESTA.

Gaya Chicago

Drucher, Peter F.. THE EFECTIVE EXECUTIVE. Jakarta: PT SERABI ILMU SEMESTA, 2009. Text.

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Drucher, Peter F.. THE EFECTIVE EXECUTIVE. Jakarta: PT SERABI ILMU SEMESTA, 2009. Text.

Gaya Turabian

Drucher, Peter F.. THE EFECTIVE EXECUTIVE. Jakarta: PT SERABI ILMU SEMESTA, 2009. Print.