M. RAMABOOPATHI; K. M. DHARMALINGAM. On $(1,2)^{\star}-\check{g} $-closed sets in bitopological spaces. Malaya Journal of Matematik, India, v. 7, n. 03, p. 463–467, 2019. DOI: 10.26637/MJM0703/0016. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/736. Acesso em: 16 jul. 2024.