Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Iwama Hideyuki,Socrates' Doctrine of the 'Unity of Virtue and Knowledge',Studies in the Philosophy of Education,0387-3153,The Philosophy of Education Society of Japan,1990-11-10,1990,62,1-15,https://cir.nii.ac.jp/crid/1390001205323730176,https://doi.org/10.11399/kyouikutetsugaku1959.1990.62_1