Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TANAKA Sayoko,Using Portable Digital Devices as Mobile Museum Guides,PROCEEDINGS OF THE ANNUAL CONFERENCE OF JSSD,,Japanese Society for the Science of Design,2007,54,0,D02-D02,https://cir.nii.ac.jp/crid/1390282680586437760,https://doi.org/10.11247/jssd.54.0.d02.0