Management tasks, responsibilities, practices

Eitemau Tebyg

• Management: tasks responsibilities practices /
  gan: Drucker, Peter F.
  Cyhoeddwyd: (1974)
• Management: Tasks, responsibilities, practices /
  gan: Drucker, Peter F.
  Cyhoeddwyd: (1999)
• Management: tasks responsibilities practices /
  gan: Drucker, Peter F.
  Cyhoeddwyd: (1975)
• Management tasks responsibilities practices
  gan: Drucker, Peter F.
  Cyhoeddwyd: (1975)
• Management tasks responsibilities practices
  gan: Drucker , Peter F
  Cyhoeddwyd: (1975)