Construction of Learners' Community through Mutual Supporting Activity Based on Bi-directional Sense of Debt-Concept and Development of "AssociatingBoard"-
鈴木栄幸, 舟生日出男, 久保田善彦
電子情報通信学会技術研究報告
http://jglobal.jst.go.jp/public/201602230765458244