2024-03-28T12:09:43Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/631512017-10-15T15:00:00Zhdl_2115_63140hdl_2115_62781hdl_2115_45742裏表紙611北海道農業経済学会Othersapplication/pdfhttp://hdl.handle.net/2115/63151https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/63151/1/KJ00009064998.pdf0918-9742AN10401038北海道農業経済研究711998-02-28engpublisher