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) Rob Schoonen and Amos van Gelderen and Reinoud D. Stoel and Jan Hulstijn and Kees de Glopper,Modeling the Development of L1 and EFL Writing Proficiency of Secondary School Students,Language Learning,0023-8333,Wiley,2011-03,61,1,31-79,https://cir.nii.ac.jp/crid/1362262943647413632,https://doi.org/10.1111/j.1467-9922.2010.00590.x