Murugan, J., and P. Muthukumar. “Audio Signal Encryption Using Recursive Backstepping Technique for Tracking Controlling and Synchronizing Improved Sprott-C Hyperchaotic Systems”. Discontinuity, Nonlinearity, and Complexity 16, no. 1 (September 8, 2026): 65–77. Accessed September 8, 2026. https://lhscientificpublishing.com/index.php/DNC/article/view/2475.