M. Mahmood, P. (2015). On Contra b-I- Continuous and Contra b-I- open Functions. , 20(2), 177-186.
Payman M. Mahmood. "On Contra b-I- Continuous and Contra b-I- open Functions". , 20, 2, 2015, 177-186.
M. Mahmood, P. (2015). 'On Contra b-I- Continuous and Contra b-I- open Functions', , 20(2), pp. 177-186.
M. Mahmood, P. On Contra b-I- Continuous and Contra b-I- open Functions. , 2015; 20(2): 177-186.


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