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) HARUNA FUKUI and TOMOKO YASHIMA,Exploring Evolving Motivation to Learn Two Languages Simultaneously in a Study‐Abroad Context,The Modern Language Journal,0026-7902,Wiley,2021-02-24,105,1,267-293,https://cir.nii.ac.jp/crid/1360009142929276800,https://doi.org/10.1111/modl.12695