Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nakayama Takuo,"Mutifunctionality of agriculture, biodiversity and ecosystem services : preliminary study toward market trading of non-commodity products from agriculture",同志社政策科学研究,18808336,同志社大学政策学会,2011-03-20,12,2,183-203,https://cir.nii.ac.jp/crid/1390290699890416128,https://doi.org/10.14988/pa.2017.0000012670