Wanas, Abbas Kareem, and Faiz Chaseb Khudher. “A Certain Families of Bi-Univalent Functions With Respect to Symmetric Conjugate Points Defined by Beta Negative Binomial Distribution Series”. Journal of Al-Qadisiyah for Computer Science and Mathematics, vol. 15, no. 2, Sept. 2023, pp. Math Page 102–110, doi:10.29304/jqcm.2023.15.2.1252.