@article{oai:kuis.repo.nii.ac.jp:00001335,
 author = {Park, Siwon and Sugita, Megumi},
 issue = {28},
 journal = {神田外語大学紀要, The Journal of Kanda University of International Studies},
 month = {Mar},
 note = {論文},
 pages = {49--65},
 title = {Learners’ perception of task difficulty and actual performance in L2 speaking},
 year = {2016}
}