2024-03-29T11:43:14Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/635042017-10-15T15:00:00Zhdl_2115_63503hdl_2115_62781hdl_2115_45742表紙611北海道農業経済学会Othersapplication/pdfhttp://hdl.handle.net/2115/63504https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/63504/1/KJ00006912192.pdf0918-9742AN10401038北海道農業経済研究1112003-03-05jpnpublisher