Luathep, Paramet, Sittha Jaensirisak, and Sommat Saengpradab. “The Impact of Transport Infrastructure Development on Modal Shift: Case Study of Rubber Goods in the Southern Thailand”. Engineering and Applied Science Research 43 (November 2, 2016): 225–227. Accessed May 17, 2024. https://ph01.tci-thaijo.org/index.php/easr/article/view/70195.