ZHANG, X. and LIU, J. (2014) “An Analytic Study on Time-Fractional Fisher Equation using Homotopy Perturbation Method”, Walailak Journal of Science and Technology (WJST), 11(11), pp. 975–985. Available at: https://wjst.wu.ac.th/index.php/wjst/article/view/844 (Accessed: 27April2024).