Opiyo, G., O. Ongati, A. Titus, and B. Okelo. “Lie Symmetry Analysis of Wave Equation Emanating from Collapse of Shafts in Power Transmission System”. International Journal of Open Problems in Computer Science and Mathematics, vol. 18, no. 2, Apr. 2025, pp. 72-92, https://ijopcm.icsrs.uk/index.php/journal/article/view/21.