Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sakaguchi Suguru,Product development on Geopark,Proceedings of the General Meeting of the Association of Japanese Geographers,,The Association of Japanese Geographers,2016,2016s,0,100332,https://cir.nii.ac.jp/crid/1390282680671851520,https://doi.org/10.14866/ajg.2016s.0_100332