著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ali H. Al-Hoorie,The L2 motivational self system: A meta-analysis,Studies in Second Language Learning and Teaching,2083-5205,Adam Mickiewicz University Poznan,2018-12-30,8,4,721-754,https://cir.nii.ac.jp/crid/1360861710851750784,https://doi.org/10.14746/ssllt.2018.8.4.2