Management: tasks, responsibilities, practices /

Eitemau Tebyg

• Management : tasks responsibilities practices
  gan: Drucker, Peter F
  Cyhoeddwyd: (1975)
• Management: Tasks, responsibilities, practices
  gan: Drucker, Peter F
  Cyhoeddwyd: (1993)
• Management: Tasks Responsibilities Practices
  gan: Drucker, Peter F
  Cyhoeddwyd: (2002)
• Management : tasks,responsibilities, practices
  gan: Drucker, Peter F
  Cyhoeddwyd: (2007)
• Management:Tasks,responsibilities,practices
  gan: Peter F.drucker
  Cyhoeddwyd: (1973)