Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UGAJIN Hajime,Nobuo Ishimori and the 5th Term National Textbook: Reasons for Invitation to the Ministry of Education and Teaching Materials,kokugokakyouiku,02870479,Japanese Teaching Society of Japan,2019-03-30,85,0,23-31,https://cir.nii.ac.jp/crid/1390001288140332544,https://doi.org/10.20555/kokugoka.85.0_23