Kongsong, Waranon, and Chaiwat Pooworarulchai. “Risk Analysis in Construction Projects by Matrix Method”. RMUTSB ACADEMIC JOURNAL 8, no. 1 (June 23, 2020): 126–139. Accessed May 5, 2024. https://li01.tci-thaijo.org/index.php/rmutsb-sci/article/view/229296.