著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Okabe Susumu,"Developing teaching materials to increase students' interest--Utilization of Social Phenomena as Teaching Materials--Making full use of data by year, sequence, semi-logarithmic paper, and scientific calculator",日本数学教育学会誌 = Journal of Japan Society of Mathematical Education,0021471X,東京 : 日本数学教育学会,2000,82,9,93-97,https://cir.nii.ac.jp/crid/1520290882973992576,