Sansū kyōiku shichō no hensen
Subtitle: atarashii sansū kyōiku e no ayumi
By: Akabane Chizuru cho
Series: Sansū kyōiku shinsho -- 1
Publisher: Akatsuki Kyōiku Tosho Kabushiki Kaisha
Published: 1950
Place of publication: Tōkyō
Language: jpn
Number of pages: 172
Subjects: Mathematics; Education and state; Study and teaching (Elementary)