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 = IEICE technical report : 信学技報
http://ci.nii.ac.jp/naid/40020791297