AHMAD, Rzgar U.; HUSSEIN, Sami A. Nano βθ-Open Sets in Nano Topological Spaces. Tikrit Journal of Pure Science, [S. l.], v. 28, n. 4, p. 111–117, 2023. DOI: 10.25130/tjps.v28i4.1535. Disponível em: https://tjpsj.org/index.php/tjps/article/view/1535. Acesso em: 17 jun. 2025.