1.
Entesar M. Nasr, Amna M. Nasr, Hend M. Elgadi, Amira A. Hashem, Ambark A. Ashat. Fractional Singular Coupled System: Existence Theory via Extended Leggett-Williams Theorem. Al-Imad J. Humanit. Appl. Sci. 2026;2(1):731-745. doi:10.64943/ajhas.2026.020153