CARPINTERO, C.; RAJESH, N.; ROSAS, E.; SARANYASRI, S. ON UPPER AND LOWER ALMOST CONTRA-ω-CONTINUOUS MULTIFUNCTIONS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 32, p. 445–460, 2014. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6190. Acesso em: 26 jul. 2026.