[1] Madura Coll, PG & Res Dept Math, Madurai, Tamil Nadu, India
[2] COMSATS Univ Islamabad, Dept Math, Vehari Campus, Islamabad, Pakistan
[3] AlFurat Univ, Fac Sci, Deir Ez Zor, Syria
[4] Cordoba private Univ, Alqamishli branch, Aleppo, Syria
[5] Ekiti State Univ, Dept Math, Ado Ekiti 360001, Nigeria
[6] Tshwane Univ Technol, Dept Math, Pretoria, South Africa
[7] Dambidollo Univ, Dept Math, Dambidollo, Oromia, Ethiopia
[8] Jazan Univ, Coll Nursing & Hlth Sci, Dept Diag Radiog Technol, Jazan 45142, Saudi Arabia
[9] Al Zaytoonah Univ Jordan, Fac Sci & Informat Technol, Amman 11183, Jordan