Abdel-Badeeh M. Salem, Ain Shams University, Cairo, Egypt
Adelaide Figueiredo, University of Porto, Portugal
Diego Firmenich, Universidad Nacional de la Patagonia Argentina
Maslin Masrom, Universiti Teknologi Malaysia, Malaysia
Pavel Loskot, ZJU-UIUC Institute, China
Samir Kumar Bandyopadhyay, University of Calcutta, India
Shadan sadigh behzadi, Department of mathematics , IAU,Qazvin , Iran.
Shahjahan Ali, Islamic University, Bangladesh
Siarry Patrick, Universite Paris-Est Creteil, France
Sirikan Chucherd, Mae Fah Luang University, Thailand
Stpan, National University of Kaohsiung, Taiwan
Subhendu Kumar Pani, Krupajal Engineering College, Odisha, India
Tamara Saad mohamed, Al Kut university, Iraq
Tefo Sekgweleo, Cape Peninsula University of Technology, South Africa
Valerianus Hashiyana, University of Namibia, Namibia