Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Adrian Leis and Wataru Suzuki and Akinobu Ando,English ability and the L2 motivational self among Japanese university students,東北英語教育学会研究紀要 = TELES journal,13462504,[山形] : 東北英語教育学会,2011-03,,31,69-79,https://cir.nii.ac.jp/crid/1520853832234320384,