Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 中島 健三 and 高田 美代子 and 金子 勝美 and 長野 東 and 能田 伸彦 and 森山 良知,Mathematical Education of the Tweny-First Century : -Problem Solving Emphasis-,Journal of Japan Society of Mathematical Education. Mathematical education,0021471X,Japan Society of Mathematical Education,1984-04-01,66,4,84-92,https://cir.nii.ac.jp/crid/1570854177470832000,