Mani Parimala, Ibtesam Alshammari , P.M.Sithar Selvam. A New Type Of Closed Sets In Terms Of Grills. IJMA [Internet]. 2020Dec.30 [cited 2024Apr.27];9(4):720- 731. Available from: http://www.modern-journals.com/index.php/ijma/article/view/414