勞働敎育叢書
Subtitle: 2. : Hiroshima-ken Rōdōbu Rōseika hen : waga keizai no genjō to rōdō kumiai no shin kadai
By: Ōtsuka Ichirō
Publisher: Hiroshima-ken Rōdōbu Rōseika
Published: 1945
Place of publication: Hiroshima-shi
Language: jpn
Number of pages: 64
Other titles: Rōdō kyōiku sōsho