Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Michael Rube Redfield,Assessing Language Ability in the Classroom,大阪経大論集 = Journal of Osaka University of Economics,04747909,大阪 : 大阪経大学会,1998-01,48,5,229-236,https://cir.nii.ac.jp/crid/1520572360327835136,