P. SATHISHMOHAN; V. RAJENDRAN; C. VIGNESH KUMAR; P.K. DHANASEKARAN. On nano semi pre neighbourhoods in nano topological spaces. Malaya Journal of Matematik, India, v. 6, n. 01, p. 294–298, 2018. DOI: 10.26637/MJM0601/0034. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/811. Acesso em: 22 nov. 2024.