KUMAR, Sunil. “A New Mathematical Model for Nonlinear Wave in a Hyperelastic Rod and Its Analytic Approximate Solution”. Walailak Journal of Science and Technology (WJST) 11, no. 11 (January 20, 2014): 965–973. Accessed April 28, 2024. https://wjst.wu.ac.th/index.php/wjst/article/view/448.