Solving Two Dimensional Coupled Burger’s Equations and Sine-Gordon Equation Using El-Zaki Transform-Variational Iteration Method. Al-Nahrain Journal of Science, [S. l.], v. 24, n. 2, p. 41–47, 2021. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/2390. Acesso em: 15 apr. 2025.