著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Kruk, Mariusz",Investigating dynamic relationships among individual difference variables in learning English as a foreign language in a virtual world,,Springer,2021,Second language learning and teaching,,9783030652685,,https://cir.nii.ac.jp/crid/1130006186326095498