El-Ashwah RM, Hassan AH. Some Properties of Certain New Subclasses of Analytic Functions: Some Properties of Certain New Subclasses of Analytic Functions. PPASA [Internet]. 2021 Jun. 17 [cited 2026 Mar. 7];53(1):1–16. Available from: http://www.ppaspk.org/index.php/PPAS-A/article/view/353