“Application of the Variational Iteration Method for the Time-Fractional Kaup-Kupershmidt Equation and the Boussinesq-Burger Equation”. Iraqi Journal of Science 64, no. 10 (October 30, 2023): 5190–5207. Accessed May 19, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/8081.