Kōreika jidai ni katsu
Subtitle: chūkō nenrei rōdōsha no kenkōzukuri
By: [hensha Chūō Rōdō Saigai Bōshi Kyōkai]
Publisher: Chūō Rōdō Saigai Bōshi Kyōkai
Published: 1985
Place of publication: Tōkyō
Language: jpn
Number of pages: 273
Subjects: Working class; Health and hygiene; Planning; Industrial hygiene; Physical fitness for older people