Sanjutsu kyōju ni okeru tamazan gakushū genron
Subtitle: [Principles in teaching the use of the abacus] / by Sakakibara Magotarō
Publisher: Monasu
Published: 1927
Place of publication: Tōkyō
Language: jpn
Number of pages: 195
Subjects: Abacus; Study and teaching
Notes: At head of title: Sanjutsu kyōju ni okeru [In the teaching of arithmetic].