E. I. N. S. P. J. D. S. . Pasadena, “The Effect of Layer Thickness on Stress Ratio and Fatigue Service Life of Plain Concrete Slab Track Structure”, IJIE, vol. 15, no. 6, pp. 184–191, Dec. 2023, Accessed: Apr. 07, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/14898