Chūshō oroshiurigyō kourigyō ni okeru rōdō jōken no jittai
By: [henshū, Tōkyō-to Hachiōji Rōsei Jimusho].
Publisher: Dō Jimusho
Published: 1982
Place of publication: Tōkyō-to Hachiōji-shi
Language: jpn
Number of pages: 53