Insatsu sangyō ni okeru rōdō jōken no jittai chōsa
By: [henshū Tōkyō-to Chūō Rōsei Jimusho]
Publisher: Tōkyō-to Chūō Rōsei Jimusho
Published: 1977
Place of publication: Tōkyō
Language: jpn
Number of pages: 167
Notes: Cover title.