John Diebold on management /

Eitemau Tebyg

• Management for modern supervisions
  gan: Heyel, Carl
  Cyhoeddwyd: (1962)
• Organizing your job in management
  gan: Heyel, Carl
  Cyhoeddwyd: (1960)
• encyclopedia of management
  gan: Heyel, Karl
  Cyhoeddwyd: (1973)
• The encyclopedia of management /
  gan: Heyel, Carl
  Cyhoeddwyd: (1973)
• Encyclopedia of management
  gan: HEYEL,Carl