Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UGAJIN Hajime,Nobuo Ishimori and the 4th Term National Textbook: Focusing on the Making Process of Teaching Materials about Manchuria,kokugokakyouiku,02870479,Japanese Teaching Society of Japan,2020-09-30,88,0,12-20,https://cir.nii.ac.jp/crid/1390004951544385920,https://doi.org/10.20555/kokugoka.88.0_12