Seangjaew, Nattawut, Weerakaset Suanpaga, and Muanmas Wichiensin. “Identifying the Factors to Determine Inter-Provincial Local Roads”. Engineering and Technology Horizons 38, no. 2 (June 26, 2021): 40–48. Accessed May 19, 2024. https://ph01.tci-thaijo.org/index.php/lej/article/view/244513.