H. Ismail, T., طاهر, O. Hamad, I., إبراهیم, A. Hussein, S. and سامی (2025) “Pθ-Topological Groups in Nonstandard Analysis”, AL-Rafidain Journal of Computer Sciences and Mathematics, 9(1), pp. 191–199. Available at: https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19677 (Accessed: 5 August 2025).