Management : tasks responsibilities practices

Eitemau Tebyg

• Management : tasks, responsibilities, practice
  gan: Drucker, Peter F
  Cyhoeddwyd: (1991)
• Management: Tasks Responsibilities Practices
  gan: Drucker, Peter F
  Cyhoeddwyd: (2002)
• Management: Tasks, responsibilities, practices
  gan: Drucker, Peter F
  Cyhoeddwyd: (1993)
• Management: tasks, responsibilities, practices /
  gan: Drucker, Peter F .
  Cyhoeddwyd: (1993)
• Management : tasks,responsibilities, practices
  gan: Drucker, Peter F
  Cyhoeddwyd: (2007)