Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Kitagami, Shinji",Practical Usage and Possibilities of Pictograms : The Exploration of Psychologically Friendly Visual Symbols,Kyoto University Research Studies in Education,1345-2142,京都大学大学院教育学研究科,2002-03-31,48,,527-538,https://cir.nii.ac.jp/crid/1050282677086142720,