00589nam a22001457a 4500040003600000082001700036100002800053245006000081260003500141300003300176500004000209502012100249546001200370650006100382  cRiphah International University  a511.322bSHA  aShagufta Jabeen (11520)  aA study of roughness in rings with the help of soft set  aIslamabadb(unpublished)c2015  a51 p.b: ill.c; 30 cm.e+CD  aIncludes bibliographical references  6M.Phil. thesis (Mathematics)aDepartment of Mathematics and Statitics
Faculty of Basic Science and Humanities (FBSH)  aEnglish  aMathematicsvSoft setvRough setvRoughnessvRingsvFBSH