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) Agawa Grant S. and Watson Kevin,Task Criteria and Activity Differentiation in EFL Coursebooks,NUCB journal of language culture and communication,13443984,名古屋商科大学,2012,14,1,35-45,https://cir.nii.ac.jp/crid/1571980077778074368,