@article{oai:doshisha.repo.nii.ac.jp:00028987,
 author = {Toyosaka, Natsuki},
 issue = {49},
 journal = {Core},
 month = {Mar},
 note = {Article, application/pdf},
 pages = {45--85},
 title = {Pragmatic task difficulty and L2 politeness strategies in disagreement situations across proficiency},
 year = {2021}
}