2-kōkiyō sansū
Subtitle: gakushūchō : Monbushō shinkyōzai haitōhyō junkyo
By: Gakushū Shidō Kenkyūkai hen
Publisher: Kyōiku Shinpōsha
Published: 1949
Place of publication: Tōkyō
Language: jpn
Number of pages: 48
Subjects: Arithmetic