Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sakamoto Shozo,Precedent and Division in Age; Until Arriving at Daiki (台記) ,史人,,広島大学大学院教育学研究科下向井研究室,2011-05-31,3,,1-10,https://cir.nii.ac.jp/crid/1390572174811100416,https://doi.org/10.15027/42828