Falade Kazeem Iyanda, Muhammad, M.Y. and Omotayo Adebayo, T. 2025. Construction and Utilization of Orthogonal Polynomial for the Fractional Order Integro- Volterra-Fredholm Differential Equations. NIPES - Journal of Science and Technology Research. 7, 1 (Mar. 2025), 46–63. DOI:https://doi.org/10.37933/nipes/7.1.2025.5.