Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "廣瀬, 英雄 and Hirose, Hideo",A Method to Classify Groups from a Group in which a Variety of Abilities are Observed,広島工業大学紀要. 研究編,13469975,広島工業大学,2017-02,51,,131-135,https://cir.nii.ac.jp/crid/1050014282714750080,