N. N. H. Othman and Y. Y. Choy, “The Nonlinear Wave Modulation In Prestressed Elastic Tube Filled With Viscous Fluid”, EKST, vol. 1, no. 2, pp. 88–97, Jul. 2021, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/ekst/article/view/2103