Galib Atshan, Waggas, and Elaf Ibrahim Badawi. “On Sandwich Theorems for Certain Univalent Functions Defined by a New Operator”. Journal of Al-Qadisiyah for Computer Science and Mathematics 11, no. 2 (August 22, 2019): math 72–80. Accessed February 14, 2025. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/551.