Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ichijo Nobuaki and Inoue Masafumi and Ando Tatsuki and Sasaki Mai and Arihara Masayasu and Yoshida Kaoru,"Distribution of the Japanese crayfish (Cambaroides japonicus) and signal crayfish (Pacifastacus leniusculus), in the Kushiro District of Eastern Hokkaido, Japan : New challenge by high school students",Japanese Journal of Conservation Ecology,13424327,The Ecological Society of Japan,2009,14,2,243-248,https://cir.nii.ac.jp/crid/1390001205207106944,https://doi.org/10.18960/hozen.14.2_243