Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Togo Yukiko and Ashikaga Yukiko,"Dyeing properties of shellfish purple obtained from Akanishi (Rapana venosa) in Nakatsu-city, Oita : Attempts to Develop Teaching Material for Inquiry Learning",大分大学教育学部研究紀要,24240680,大分大学教育学部,2018-09-01,40,1,159-165,https://cir.nii.ac.jp/crid/1390290701683061632,https://doi.org/10.51073/16499