ศรีพยัคฆ์ ส. . ., & วิเชียรสินธุ์ เ. . . (2020). Factors Impacting of Travels by Bus for the Visually Impaired in the Bangkok Metropolitan Region. Engineering and Technology Horizons, 34(2), 56–62. Retrieved from https://ph01.tci-thaijo.org/index.php/lej/article/view/241423