S. Juma, A. R., Awad Hameed, R., & Ibrahim Hameed, M. (2018). On second-order differential subordination and superordination of analytic functions involving the Komatu integral operator. Journal of Al-Qadisiyah for Computer Science and Mathematics, 10(1), Math Page 8 – 14. https://doi.org/10.29304/jqcm.2018.10.1.334