Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Koichi OTAKI and Yuki KANAZAWA,Illicit Object Drop by Japanese-speaking Learners of English : A Performance Account,電子情報通信学会技術研究報告 = IEICE technical report : 信学技報,09135685,東京 : 電子情報通信学会,2016-07,116,159,13-17,https://cir.nii.ac.jp/crid/1520009407351167616,