Hamoud, A.A., Sharif, A.A. and Ghadle, K.P. (2026) “Existence, Uniqueness and Stability Results of Fractional Volterra-Fredholm Integro Differential Equations of $psi$-Hilfer Type”, Discontinuity, Nonlinearity, and Complexity, 10(3), pp. 535–545. doi:10.5890/DNC.2021.09.013.