Klungboonkrong, Pongrid, and Michael A P Taylor. 2013. “Application of knowledge-based expert system, Analytic Hierarchy Process and Fuzzy set Theory in Multicriteria Environmental Sensitivity Evaluation of the Urban Road Network”. Engineering and Applied Science Research 25 (1):1-20. https://ph01.tci-thaijo.org/index.php/easr/article/view/6325.