Prof. Alias B. Khalaf , Mahmoud A.Yousef. “On Topological Pseudo-UP Algebras Based on Pseudo-UP Ideals”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 13 (July 15, 2021): 6405–6516. Accessed May 21, 2024. https://turcomat.org/index.php/turkbilmat/article/view/9992.