Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 齋藤 幸子,Geometry Learning utilizing Specialized Mathematics Subjects at Teacher Training Universities,北海道教育大学紀要. 教育科学編,1344-2554,北海道教育大学,2022-02,72,2,129-142,https://cir.nii.ac.jp/crid/1390857777803728640,https://doi.org/10.32150/00007094