@article{oai:agu.repo.nii.ac.jp:00001906,
 author = {Fryer, Mitchell and Fryer, Mitchell and STEPHENSON, Brett and STEPHENSON, Brett},
 issue = {1},
 journal = {総合政策研究, Journal of Policy Studies Association : JPSA},
 month = {Dec},
 pages = {47--54},
 title = {L2 Proficiency: A discussion of three influential models and a proposed model of L2 proficiency to facilitate improvements in language teaching and assessment},
 volume = {15},
 year = {2012}
}