Delphi AM, Jassim KA. A Class of Harmonic Multivalent Functions for Higher Derivatives Associated with General Linear Operator. Iraqi Journal of Science [Internet]. 2022 Sep. 30 [cited 2025 Dec. 6];63(9):3867-76. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4814