著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Jetsada Kumphong and Wichuda Satiennam and Thaned Satiennam,"Change of motorcycle speed under speed enforcement camera on urban arterial in Khon Kaen City, Thailand","International journal of GEOMATE : geotechnique, construction materials and environment",21862990,The GEOMATE International Society,2019-04,(56),,,https://cir.nii.ac.jp/crid/2051714792000562432,https://doi.org/10.21660/2019.56.4746