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Peter F. Drucker

5 titles on Obiaks Books.

The Effective Executive Audiobook

The Effective Executive

Peter F. Drucker
The Effective Executive Ebook

The Effective Executive

Peter F. Drucker

$1.99 ★ 4.5
Managing Oneself Ebook

Managing Oneself

Peter F. Drucker

$9.99 ★ 4.5
The End of Economic Man Ebook

The End of Economic Man

Peter F. Drucker

$67.99
The Daily Drucker Ebook

The Daily Drucker

Peter F. Drucker

$2.99 ★ 3.0