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Drucker P |
: Drucker P : 2 : 11637 : 732 : 1 : |
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Drucker P. Management: tasks, responsibilities, practices. N.Y.: Harper & Row, 1974. 839 p.
(: 6320, : 732, : 1)
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Drucker P. People and performance. London: Heinemann, 1977. - 366 p.
(: 5317, : 0, : 0)
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