Lafta, Mohammed Hadi, and Abbas Kareem Wanas. “Strong Differential Sandwich Results for Analytic Functions Associated With Wanas Differential Operator”. Iraqi Journal of Science 63, no. 10 (October 30, 2022): 4361–4367. Accessed January 3, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4841.