sami ahmed, Qasim Hasan S. Stability of Caputa– Hadmmard  Fractional Differential Nonlinear ControlSystem with Delay Riemann −Katugampola. wjps [Internet]. 2024 Jun. 30 [cited 2025 Dec. 27];3(2):95-107. Available from: https://wjps.uowasit.edu.iq/index.php/wjps/article/view/403