Foundations of distance education /

Geahča maid

• Foundations of distance education /
  Dahkki: 357917 Keegan, Desmond
  Almmustuhtton: (1990)
• Distance training : taking stock at a time of change /
  Dahkki: 357917 Keegan, Desmond
  Almmustuhtton: (2000)
• Theoretical principles of distance education /
  Dahkki: Keegan, Desmond
  Almmustuhtton: (1993)
• Distance education : new perspectives /
  Dahkki: Harry, Keith, et al.
  Almmustuhtton: (1993)
• Distance education : international perspective /
  Dahkki: Keegan, Desmond, et al.
  Almmustuhtton: (1988)