2024-03-29T07:37:05Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/636602017-10-15T15:00:00Zhdl_2115_63646hdl_2115_62781hdl_2115_45742ENGLISH SUMMARY英文サマリー1000070125384Sasaki, IchioCho, Suk JinFujii, YokoMasuda, KiyotakaTanaka, Yuri1000090191452Yamamoto, Yasutaka1000070091551Demura, KatsuhikoSajiki, TakahiroSawauchi, DaisukeOzawa, Sousukeopen access611北海道農業経済学会2007-09-28engotherNAhttp://hdl.handle.net/2115/636600918-9742AN10401038北海道農業経済研究1418186https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/63660/1/KJ00006717969.pdfapplication/pdf201.89 KB2007-09-28