Setsubi tōshi dōkō chōsa hōkoku
Subtitle: Shōwa 42-nendo jisseki mikomigaku, Shōwa 43-nendo keikakugaku
Publisher: Chūshō Kigyō Kinʼyū Kōko Chōsabu
Published: 1968
Place of publication: Tōkyō
Language: jpn
Number of pages: 121