TY  - JOUR
AU  - Mohamed Abo-Elhamayel
TI  - Bi-covering rough sets
JO  - Filomat
PY  - 2021
SP  - 2361 
VL  - 35
IS  - 7
UR  - http://geodesic.mathdoc.fr/articles/10.2298/FIL2107361A/
DO  - 10.2298/FIL2107361A
LA  - en
ID  - 10_2298_FIL2107361A
ER  -