Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Li Jen Chen and Jun Ohya and Shunichi Yonemura,"Creative thinking support communication system: with random Prompter ""●"" that allows hand-drawing",電子情報通信学会技術研究報告 = IEICE technical report : 信学技報,09135685,東京 : 電子情報通信学会,2009-03,108,487,43-48,https://cir.nii.ac.jp/crid/1520290882054667392,