Entesar M. Nasr, Amna M. Nasr, Hend M. Elgadi, Amira A. Hashem, & Ambark A. Ashat. (2026). Fractional Singular Coupled System: Existence Theory via Extended Leggett-Williams Theorem. Al-Imad Journal of Humanities and Applied Sciences (AJHAS), 2(1), 731-745. https://al-imadjournal.ly/index.php/ajhas/article/view/99