Yahaya, Abubakar, Department of Mathematics,
Yahaya, Abubakar, Ahmadu Bello University
Yahaya, Abubakar, Department of Mathematics,Faculty of Science,Ahmadu Bello University, Zaria,Nigeria.
Yahya Algamal, Zakariya, University of Mosul
Younis, Adil, Professor in Sudan University of Science and Technology
Younis, Adil Mousa
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