Champahom, Thanapong, Sajjakaj Jomnonkwao, Watanya Nambulee, Pongrid Klungboonkrong, Ampol Karoonsoontawong, and Vatanavongs Ratanavaraha. “Analyzing Transport Mode Choice for Aging Society in Thailand”. Engineering and Applied Science Research 47, no. 4 (November 5, 2020): 383–392. Accessed May 4, 2024. https://ph01.tci-thaijo.org/index.php/easr/article/view/239519.