M. RAJA KALAIVANAN; A. JOSE LITTLE FLOWER. On some contra Ḧ-continuous functions in topological spaces. Malaya Journal of Matematik, India, v. 8, n. 04, p. 1970–1973, 2020. DOI: 10.26637/MJM0804/0106. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1813. Acesso em: 16 jul. 2024.