Kočinac, L.D.R.Sabah, AmaniKhan, Moiz ud DinSeba, Djamila2017-02-282017-02-282017https://dspace.univ-boumerdes.dz/handle/123456789/3332In this paper we study some covering properties in topological spaces by using semi-open covers. We introduce and investigate the properties of s-Hurewicz and almost s-Hurewicz spaces and their star versionsenSemi-open sets-Hurewicz spacestar s-Hurewicz spaceSemi-Hurewicz spacesArticle