On (1,2)* b-Open Functions and (1,2)* b-Closed Functions In Bitopological Spaces. Al-Nahrain Journal of Science, [S. l.], v. 17, n. 1, p. 173–179, 2018. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/497. Acesso em: 9 apr. 2025.