Police : the human face

Eitemau Tebyg

• Supervisory training
  gan: Armstrong, J.R
  Cyhoeddwyd: (1961)
• Supervisory training a new approach for management
  gan: Meade, J.P. de C
  Cyhoeddwyd: (1966)
• Supervision : principles of professional management
  gan: Fulmer, Robert M
  Cyhoeddwyd: (1976)
• What every supervisor should know about the principles of economics,
  gan: Clark, Fred G.
  Cyhoeddwyd: (1960)
• Communication in supervisory management
  gan: Compton, Henry
  Cyhoeddwyd: (1967)