A Study on Introducing Vegetables and Management of Group Farming on Upland Fields : The Case of Abashiri City Matsumoto, Hirokazu Hokkaido University Collection of Scholarly and Academic PapersHokkaido University
Ichizen Matsumura, Restructuring of the Land Use and Adjustment of Form Work Matsumoto, Hirokazu Hokkaido University Collection of Scholarly and Academic PapersHokkaido University
