Shehab, Nihad H., and Abdul Rahman S. Juma. “Certain Subclasses of Univalent and  Bi-Univalent Functions Involving New Operator”. Iraqi Journal of Science 67, no. 2 (February 28, 2026): 991–1010. Accessed July 8, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/13918.