Ahmed, L.T. and Juma, A.R.S. 2024. Majorization and Quasi-Subordination Problems for Certain Subclasses of Holomorphic Functions Utilizing Differential Operator. Iraqi Journal of Science. 65, 7 (Jul. 2024), 3860–3865. DOI:https://doi.org/10.24996/ijs.2024.65.7.25.