Denshin Denwa rōdō undōshi
By: Nihon Denshin Denwa Kōsha Shokuinkyoku Rōmuka hen
Publisher: Kangyō Rōdō Kenkyūjo
Published: 1963
Place of publication: Tōkyō
Language: jpn
Table of contents: title: 1. 1953-1954; title: 2. 1955-1956; title: 3. 1957-1958.