id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-3420	Alharbi, Nof; Aydi, Hassen; Ozel, Cenap	Rough Spaces on Covering Based Rough Sets	2019	11	.pdf	application/pdf	4429	285	80	Subspaces The inclusion operation on covering based rough sets X and Y is defined by Y ⊆C X ⇐⇒ Y ⊆ X, and Y ⊆ X. Let (U,C) be a covering approximation space. EUROPEAN JOURNAL OF PURE AND APPLIED MATHEMATICS Vol. 12, No. 2, 2019, 533-543 ISSN 1307-5543 – www.ejpam.com Published by New York Business Global Rough spaces on covering based rough sets N. Alharbi1, H. Aydi2,∗, C. Özel1 1 Department of Mathematics, King Abdulaziz University, P.O. Box: 80203 Jeddah 21589, Saudi Arabia 2 Université de Sousse, Institut Supérieur d’Informatique et des Techniques de Communication, H. Sousse 4000, Tunisia Abstract.	cache/ejpam-3420.pdf	txt/ejpam-3420.txt