Suisan gaisetsu
Subtitle: Shōwa 21-nen 8-gatsu 5-nichi Monbushō kenteizumi, jitsugyō gakkō jitsugyōkayō
By: [chosaku] Jitsugyō Kyōiku Chūō Shinkōkai [i.e. Shinkō Chūōkai]
Publisher: Jitsugyō Kyōkasho Kabushiki Kaisha
Published: 1946
Place of publication: Tōkyō
Language: jpn
Number of pages: 153