The 10 rules of happiness /

Míreanna comhchosúla

• Happiness quantified
  de réir: Praag, Bernard M. S. van
• The happiness purpose /
  de réir: De Bono, Edward, 1933-
  Foilsithe / Cruthaithe: (1977)
• Human happiness and morality : a brief introduction to ethics /
  de réir: Almeder, Robert F.
  Foilsithe / Cruthaithe: (2000)
• Happiness : lessons from a new science /
  de réir: Layard, P. R. G. (P. Richard G.)
  Foilsithe / Cruthaithe: (2005)
• The 12 secrets of health and happiness /
  de réir: Samways, Louise, 1951-
  Foilsithe / Cruthaithe: (1997)