Shōwa 39-nen shōkigyō shūgyō jōkyō chōsa hōkoku
By: [henshūsha Rōdō Tōkei Chōsabu Koyō Tōkeika]
Publisher: Rōdō Daijin Kanbō Rōdō Tōkei Chōsabu
Published: 1965
Place of publication: Tōkyō
Language: jpn
Number of pages: 183
Other titles: Shōkigyō shūgyō jōkyō chōsa hōkoku