Atshan, W. G., Abbas, I. A., & Yalcin, S. (2020). New Concept on Fourth-Order Differential Subordination and Superordination with Some Results for Multivalent Analytic Functions. Journal of Al-Qadisiyah for Computer Science and Mathematics, 12(1), Math Page 96–107. https://doi.org/10.29304/jqcm.2020.12.1.681