Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOBAYASHI Hiromitsu,The problems and introduction of e-Learning system in a correspondence high school,Educational Information Research,09126732,Japan Society of Educational Information,2006,22,1,23-30,https://cir.nii.ac.jp/crid/1390001205166148992,https://doi.org/10.20694/jjsei.22.1_23