Challab, Khalid, Maslina Darus, and Firas Ghanim. “On a Certain Subclass of Meromorphic Functions Defined by a New Linear Differential Operator”. Journal of Mathematical and Fundamental Sciences 49, no. 3 (December 13, 2017): 269-282. Accessed October 20, 2025. https://journals.itb.ac.id/index.php/jmfs/article/view/3237.