GUPTA, A. On \(\pi gs-\lambda\) Closed Sets in Generalized Topological Spaces. Journal of Advanced Studies in Topology, [S. l.], v. 13, n. 1-2, p. 7–13, 2023. DOI: 10.5281/zenodo.7905124. Disponível em: https://www.m-sciences.com/index.php/jast/article/view/309. Acesso em: 6 jun. 2023.