著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Posamentier, Alfred S. and Geretschläger, Robert",The wonders of triangles,,World Scientific,2024,Problem solving in mathematics and beyond,,9789811279584,,https://cir.nii.ac.jp/crid/1130018186758521761