北海道開発庁30年史
Publisher: Hokkaidō Kaihatsu Kyōkai
Published: 1981
Place of publication: Sapporo
Language: jpn
Number of pages: 387
Subjects: History; Regional planning; Economic policy; Hokkaidō Kaihatsuchō (Japan)
Other titles: Hokkaidō Kaihatsuchō 30-nenshi; Hokkaidō Kaihatsuchō sanjūnenshi.
Notes: "Hoppō no ryōdo kaeru hi heiwa no hi"