Yūsei rōshi kankei no hensen
Subtitle: jigyō o hasanda rōshi hanseiki no ayumi
By: henshū Rōdō Gyōsei Kenkyūkai
Publisher: Rōdō Gyōsei Kenkyūkai
Published: 2000
Place of publication: Tōkyō
Language: jpn
Number of pages: 439
Subjects: Postal service; Industrial relations
Notes: Colophon title.