Galib Atshan, Waggas, and Rajaa Ali Hiress. “On Differential Sandwich Theorems of Meromorphic Univalent Functions”. Journal of Al-Qadisiyah for Computer Science and Mathematics 10, no. 3 (August 5, 2018): Math Page 8 – 15. Accessed November 23, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/399.