Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Kazuhisa TAKAGI,Show students geometric solutions of trigonometric equations by turtle graphics,"高知工業高等専門学校学術紀要 = Bulletin of National Institute of Technology, Kochi University",04541170,南国 : 高知工業高等専門学校,2015-03,,60,33-38,https://cir.nii.ac.jp/crid/1520853834950258688,