Srisomboon, W., S. Malaikrisanachalee, N. Wongwai, and S. Weravattanayingyong. “Performance Enhancement of Highway Subproject Management”. 2021. Ladkrabang Engineering Journal, vol. 38, no. 3, July 2022, pp. 11-23, https://ph01.tci-thaijo.org/index.php/lej/article/view/244793.