@article{oai:glim-re.repo.nii.ac.jp:00002671, author = {Paul, Trafford and 白田, 由香利 and Shirota, Yukari}, issue = {3}, journal = {學習院大學經濟論集, The journal of Faculty of Economics, Gakushuin University}, month = {Oct}, note = {application/pdf}, pages = {143--151}, title = {An Introduction to Virtual Learning Enviroments}, volume = {48}, year = {2011}, yomi = {シロタ, ユカリ} }