幸福の法 : 人間を幸福にする四つの原理 = Kof̄uku no ho ̄: ningen o kof̄uku ni suru yottsu no genri /
Kof̄uku no ho ̄: ningen o kof̄uku ni suru yottsu no genri. Laws of happiness. The principle of four to human happiness: the law of happiness.
Ok̄awa Ryuh̄o.̄
- Tok̄yo ̄, Kof̄uku no Kagaku Shuppan, 2004.
- 317 p. ; 20 cm.
Fuko ̄de arukoto o yameru niha -- Wan pointo appu no shigotojutsu -- Ningen o kof̄uku ni suru 4-tsu no genri -- Kof̄uku no kagaku nyum̄on -- Taiyo ̄no jidai no tor̄ai o shinjite.