Varun Bose, C. S., R. Udhayakumar, V. Muthukumaran, and S. Al-Omari. “A Study on Approximate Controllability of Ψ-Caputo Fractional Differential Equations With Impulsive Effects”. Contemporary Mathematics 5, no. 1 (January 5, 2024): 175–198. Accessed July 3, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/3539.