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AL-Saidy, S., Jameel Khaleel, A., dawood Mohisn, S. (2011). 'Approximation of Functions by Some Types of Beta-Operators', , 3(2), pp. 1-8.
AL-Saidy, S., Jameel Khaleel, A., dawood Mohisn, S. Approximation of Functions by Some Types of Beta-Operators. , 2011; 3(2): 1-8.