@article{oai:aichiu.repo.nii.ac.jp:00004037,
 author = {SULLIVAN, Susan Laura},
 issue = {30},
 journal = {文明21},
 month = {Mar},
 pages = {25--35},
 title = {Notions of Proficiency in the FL/L2 Field : A Proficiently Sticky Web},
 year = {2013}
}