Some Types of Mappings in Bitopological Spaces . Baghdad Science Journal, Iraq, Baghdad, v. 18, n. 1, p. 0149, 2021. DOI: 10.21123/bsj.2021.18.1.0149. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/3530.. Acesso em: 28 nov. 2024.