Ōita-ken ni okeru kaiiki sōgō riyō gijutsu kadai ni kansuru chōsa hōkokusho
Contributors: Japan. Kagaku Gijutsuchō
Publisher: Ōita-ken
Published: 1986
Place of publication: [Ōita-shi]
Language: jpn
Number of pages: 56
Notes: Cover title.

"Shōwa 60-nendo Kagaku Gijutsuchō itaku."