@phdthesis{oai:takushoku-u.repo.nii.ac.jp:00000320,
 author = {徐, 惠君 and Jo, Keikun},
 month = {2020-03-27, 2020-03-27, 2020-03-27},
 note = {2019},
 school = {拓殖大学},
 title = {「動詞＋ツツアル」の用法に関する通時的研究},
 year = {},
 yomi = {ジョウ, ケイクン}
}