Rana, Parveen. “Mathematical Model on Diabetes Millitus Using Fractional Approach; Fractional Homotopy Perturbation Method and Fractional Variational Iteration Method: A Comparison”. RESEARCH HUB International Multidisciplinary Research Journal 9, no. 2 (February 20, 2022): 01–09. Accessed October 30, 2025. https://www.rhimrj.co.in/index.php/rhimrj/article/view/13.