Ahmad. A. H. Mtawal, and Sameehah. R. Alkaleeli. “A New Modified Homotopy Perturbation Method for Fractional Partial Differential Equations With Proportional Delay”. JOURNAL OF ADVANCES IN MATHEMATICS 19 (October 11, 2020): 58–73. Accessed November 22, 2024. https://rajpub.com/index.php/jam/article/view/8876.