Pannaracha, Pitsanu, and Dondej Tungtakanpoung. “Environmental Assessment Approach for Mass Transit System in Uttaradit Province, Thailand”. Engineering Access 11, no. 1 (December 20, 2024): 119–127. accessed April 4, 2025. https://ph02.tci-thaijo.org/index.php/mijet/article/view/254313.