Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) K. Gomyo and M. Arisawa and T. Nishiyama,The research into the method of developing efficient universal design in traffic environment through the application of contingent valuation method,Proceedings Second International Symposium on Environmentally Conscious Design and Inverse Manufacturing,,IEEE Comput. Soc,2002-11-14,,,1118-1123,https://cir.nii.ac.jp/crid/1872835442929316608,https://doi.org/10.1109/ecodim.2001.992535