Rōdō kumiai no okonau rōdōsha kyōiku no tebiki
By: Tōkyō-to Rōdōkyoku hen
Series: Rōdō kyōiku shiryō sōsho -- dai 8-shū
Publisher: Tōkyō-to Rōdōkyoku Rōseika
Published: 1949
Place of publication: [Tokyo]
Language: jpn
Number of pages: 43