Amr M. S. Mahdy, and Ali A. A. El-dahdouh. 2017. “Second Kind Shifted Chebyshev Polynomials and Power Series Method for Solving Multi-Order Non-Linear Fractional Differential Equations”. Malaya Journal of Matematik 5 (01). India:19-28. https://doi.org/10.26637/mjm501/003.