“Numerical Solutions for the Nonlinear PDEs of Fractional Order by Using a New Double Integral Transform With Variational Iteration Method”. Baghdad Science Journal 20, no. 3(Suppl.) (June 20, 2023): 1087. Accessed December 19, 2024. https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/7802.