Rōdō sōgi ni okeru jitsuryoku kōshi no genkai
Subtitle: Rōdō Jikan tsūchō to saibanrei : tsuketari, shinbun ronchō sonota
By: Rōdōshō Rōseikyoku Rōdō Hōkika hen
Publisher: Nikkan Rōdō Tsūshinsha
Published: 1955
Place of publication: Tōkyō
Language: jpn
Number of pages: 248