Raj, S.V.S. et al. 2021. GENERALISED SEMI CLOSED SETS IN GRILL TOPOLOGICAL SPACES. Journal of Advance Research in Mathematics And Statistics (ISSN 2208-2409). 8, 9 (Sep. 2021), 01–06. DOI:https://doi.org/10.53555/nnms.v8i9.1033.