Sekai no yangu wa kō kangaeru
Subtitle: sekkusu, oyako kankei, sensō, uchū kaihatsu nado 30 kōmoku 56 ka koku 63 toshi 6300 nin o taishō ni mensetsu chōsa
Publisher: Shichizun Tokei Kabushikigaisha
Published: 1970
Place of publication: [Tōkyō?]
Language: jpn
Number of pages: 68
Subjects: Youth; Conduct of life; Social surveys