Efendi, D. M. “Modulation of Schamel’s Nonlinear Schrödinger Equation and Related Sheath Excitations in Degenerate Relativistic Quantum Complex Plasmas: A Review”. Journal of International Proceedings on Mechanics and Electromagnetic , vol. 1, no. 1, Apr. 2025, pp. 1-6, https://sintechcomjournal.com/index.php/jipme/article/view/287.