Kōfuku e no dōhyō
By: Ōkawa Ryūhō cho.
Edition: Shohan
Series: Super contact
Publisher: Kōfuku no Kagaku Shuppan
Published: 1989
Place of publication: Tōkyō
Language: jpn
Number of pages: 207
Subjects: Kōfuku no Kagaku; Happiness; Conduct of life