A Semantic Graph-Based Japanese Vocabulary Learning Game 論文 Ratsameetip Wita・Sahussarin Oly・Sununta Choomok・Thanabhorn Treeratsakulchai・Surarat Wita ·2018-01-01 ·『Lecture notes in computer science』 pp. 140-145 doi:10.1007/978-3-319-96565-9_14