Bungo mikan no haikyū ni kansuru chōsa
Series: Chōsa hōkoku -- dai 4-shū; Chōsa hōkoku (Ōita Kōtō Shōgyō Gakkō) -- dai 4-shū.
Publisher: Ōita Kōtō Shōgyō Gakkō Shōji Chōsabu
Published: 1930
Place of publication: [Ōita-shi]
Language: jpn
Number of pages: 76
Subjects: Rationing; Tangerines
Notes: Cover title.