Gürdal, Verda, and Ömer Kişi. “Some Properties of $I_3$-λ-Statistical Cluster Points”. Dera Natung Government College Research Journal 7, no. 1 (December 28, 2022): 10–19. Accessed July 27, 2024. https://dngc.ac.in/journals/index.php/dngcrj/article/view/23.