“Soliton Solutions for (3+1)-Dimensional Nonlinear Evolution Equations by Tanh Method”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ) 32, no. 2 (October 17, 2021): 140–159. Accessed November 19, 2024. https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/329.