Drucker, Peter Ferdinand, (1909-.)

Classic Drucker : = essential wisdom of Peter Drucker from the pages of Harvard Business Review. by: Drucker, Peter Ferdinand, (1909-.) (Language materials, printed)

Peter Drucker : = shaping the managerial mind / by: Flaherty, John E. (Language materials, printed)

Management : = tasks, responsibilities, practices / by: Drucker, Peter Ferdinand, (1909-.) (Language materials, printed)