Sangaku kyōdō no susume
Subtitle: Sangaku Kyōdō Suishin Kōnā kaisetsu kinen kōenkai shiryō.
Contributors: Tokyo, Japan. Shōkō Kaigisho
Series: Sangaku Kyōdō Suishin Kōnā shiryō -- dai 1-gō
Publisher: Tōkyō Shōkō Kaigisho
Published: 1974
Place of publication: [Tōkyō]
Language: jpn
Number of pages: 56
Subjects: Technological innovations -- Japan; Business and education -- Japan
Notes: Cover title.