Hokuman saikin jigyō jōkyō to sono shōrai ni tsuite
By: Kusama Hideo-shi kōjutsu
Contributors: Nihon Gaikō Kyōkai
Series: Kōen -- dai 12; Kōen (Nihon Gaikō Kyōkai) -- dai 12.
Publisher: Nihon Gaikō Kyōkai
Published: 1935
Place of publication: [Tokyo]
Language: jpn
Number of pages: 30
Notes: Issued as confidential document (stamped).