Hussain, Eman. “Comparison of Variational and Fractional Variational Iteration Methods in Solving Time-Fractional Differential Equations”. JOURNAL OF ADVANCES IN MATHEMATICS 6, no. 1 (January 27, 2014): 849–858. Accessed May 9, 2024. https://rajpub.com/index.php/jam/article/view/6844.