2024-03-29T13:00:31Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/633092017-10-15T15:00:00Zhdl_2115_63308hdl_2115_62781hdl_2115_45742表紙open access611北海道農業経済学会2001-02-25jpnotherNAhttp://hdl.handle.net/2115/633090918-9742AN10401038北海道農業経済研究92https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/63309/1/KJ00009065049.pdfapplication/pdf46.55 KB2001-02-25