Sungtrisearn, Patcharida, Preda Pichayapan, and Klairung Ponanan. “An application of Confirmatory Factor Analysis (CFA) for measurement modeling on rail freight performance indicators: Case study on Thailand’s new double-track railway”. Engineering and Applied Science Research 51, no. 4 (June 17, 2024): 434–441. accessed September 10, 2026. https://ph01.tci-thaijo.org/index.php/easr/article/view/254722.