Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SUNG Yuna,Korean Phrase Books Published in the Early Meiji Era as Research Materials of Modern Japanese,Studies in the Japanese Language,13495119,The Society for Japanese Linguistics,2008,4,2,61-68,https://cir.nii.ac.jp/crid/1390001205788228096,https://doi.org/10.20666/nihongonokenkyu.4.2_61