สุขวัฒนากรณ์ ณ., and เวทย์วิวรณ์ ป. “Explore Sustainable Commuting of Urban People: Case Study of Traveling to Kasetsart University”. Engineering and Technology Horizons, vol. 36, no. 2, June 2019, pp. 9-14, https://ph01.tci-thaijo.org/index.php/lej/article/view/240125.