Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kao jui-cnen and Kamaike Mitsuo,The Actual Condition of Usage and Diffusion Factor of Scooters in Taiwan,Bulletin of Japanese Society for the Science of Design,0910-8173,Japanese Society for the Science of Design,2004,51,1,29-38,https://cir.nii.ac.jp/crid/1390001205411952640,https://doi.org/10.11247/jssdj.51.29_1