Klungboonkrong, P. and Tippichai, A. (2013) “The Development of Urban Transportation Planning Model : the Nong Khai Case Study”, Engineering and Applied Science Research, 32(5), pp. 675–689. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/6223 (accessed: 31 August 2026).