Jasim, Abeer Majeed. “He Is Variational Iteration Method to Approximate Time Fractional Wave Non Linear Like Equation With Variable Coefficient”. Journal of Kufa for Mathematics and Computer 3, no. 2 (December 30, 2016): 37–47. Accessed May 17, 2024. https://journal.uokufa.edu.iq/index.php/jkmc/article/view/2116.