@article{10_2298_FIL2107361A,
     author = {Mohamed Abo-Elhamayel},
     title = {Bi-covering rough sets},
     journal = {Filomat},
     pages = {2361 },
     year = {2021},
     volume = {35},
     number = {7},
     doi = {10.2298/FIL2107361A},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2107361A/}
}