Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Okawa, Hideaki",日本語教科書における複文のテンスの扱い,Papers in Teaching Japanese as a Foreign Language,24324574,関西外国語大学留学生別科,2012,22,,21-36,https://cir.nii.ac.jp/crid/1050001337731009792,