@article{weko_178643_1, author = "山田,恒夫 and 常盤,祐司 and 梶田,将司", title = "ぺた語義:次世代電子学習環境(NGDLE)に向けた国際標準化の動向", journal = "情報処理", year = "2017", volume = "58", number = "5", pages = "412--415", month = "apr" }