Shōwa 40-nen rōdō jikan no jittai
Subtitle: 1-nichiatari rōdō jikansū kaikyūbetsu rōdōshasū
Publisher: Rōdōshō Rōdō Kijunkyoku Kantokuka
Published: 1966
Place of publication: [Tokyo]
Language: jpn
Number of pages: 122
Other titles: Rōdō jikan no jittai