Eikoku rōdōsha kyōikushi
By: [henshū Rōdōshō Rōseikyoku Rōdō kyōikuka]
Series: Rōdō mondai sōsho -- 14
Publisher: Rōdōshō Rōseikyoku Rōdō kyōikuka
Published: 1950
Place of publication: Tōkyō
Language: jpn
Number of pages: 81