2024-03-29T09:13:44Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/630552017-10-15T15:00:00Zhdl_2115_63047hdl_2115_62781hdl_2115_45742裏表紙open access611北海道農業経済学会1995-11-30engotherNAhttp://hdl.handle.net/2115/630550918-9742AN10401038北海道農業経済研究51https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/63055/1/KJ00009064955.pdfapplication/pdf48.18 KB1995-11-30