On j-near concepts in rough sets with some applications. - W. S. Amer; Mohamed I. Abbas; Mostafa K. El-Bably (J. Intell. Fuzzy Syst., 2017)

On the Hybrid Fractional Differential Equations with Fractional Proportional Derivatives of a Function with Respect to a Certain Function. - Mohamed I. Abbas; Maria Alessandra Ragusa (Symmetry, 2021)

Explicit Solutions of Initial Value Problems for Fractional Generalized Proportional Differential Equations with and without Impulses. - Snezhana G. Hristova; Mohamed I. Abbas (Symmetry, 2021)