@article{oai:reitaku.repo.nii.ac.jp:00000912,
 author = {Yanagita, Nancy and Yanagita, Nancy},
 journal = {麗澤大学紀要, Reitaku University Journal},
 month = {Mar},
 pages = {91--100},
 title = {To What Extent Can a Language Portfolio Support Foreign Language Learning? : A Field Study of German Language Students at Reitaku University},
 volume = {100},
 year = {2017},
 yomi = {ヤナギタ, ネンシ}
}