Khan, Muhammad Ghaffar, Bakhtiar Ahmad, Wali Khan Mashwani, Timilehin Gideon Shaba, and Muhammad Arif. “Third Hankel Determinant Problem for Certain Subclasses of Analytic Functions Associated With Nephroid Domain”. Earthline Journal of Mathematical Sciences 6, no. 2 (April 9, 2021): 293-308. Accessed March 29, 2024. https://earthlinepublishers.com/index.php/ejms/article/view/326.