Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
大澤 弘典 and OSAWA Hironori,A study on teaching material of Orikasane-kiri,東北数学教育学会年報,0910268X,東北数学教育学会,2009-03-31,,40,85-91,https://cir.nii.ac.jp/crid/1390290699629402368,https://doi.org/10.20569/00005032