แก้ววิเชียร ปฏิภาณ, and ตันวาณิชกุล ลัดดา. “Method of Trip-Chaining and Tour Formation for Travel Demand Model Development”. Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal) 11, no. 1 (April 18, 2018): 57–68. Accessed May 4, 2024. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/119177.