2024-03-29T09:35:49Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/425312019-05-16T04:05:39Zhdl_2115_20066hdl_2115_154優劣分岐を適用した小規模同期型e-learningシステムの経済性分析The economic analysis of small-scale synchronous e-learning : Using a break-even analysis田島, 貴裕Tajima, Takahiro奥田, 和重Okuda, Kazushigeopen access経済性分析同期型e-learning優劣分岐遠隔教育370CIEC2009-12-05jpnjournal articleAMhttp://hdl.handle.net/2115/42531AA11252984コンピュータ&エデュケーション : CIEC会誌Computer & education276264https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/42531/1/tajima_CIEC27.pdfapplication/pdf443.8 KB2009-12-05