KADHIM, Asmaa Rheem; ESMAEEL, Rana Bahjat; RADWAN, Abdelaziz E. On R1- Separation Axioms. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 38, n. 4, p. 332–339, 2025. DOI: 10.30526/38.4.4032. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/4032. Acesso em: 24 oct. 2025.