Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yoshida Nagahiro and 吉田 永弘,Categorical Definition of ru/raru forms in Honorific Use,國學院雑誌,02882051,國學院大學,2017-09,118,9,1-18,https://cir.nii.ac.jp/crid/1390295447136773504,https://doi.org/10.57529/00000302