Prof Semu Mitiku Kassa, Department of Mathematics, Botswana International University of Science and Technology, Botswana

Prof Felix Mora-Camino, Universidade Federal Fluminense, Department of Industrial Engineering, Brazil

Prof Waqar Khan, College of Engineering, Prince Mohammad Bin Fahd University, Al Khobar 31952, Kingdom of Saudi Arabia

Prof Mohamed Tawhid, Department of Mathematics, Thompson Rivers University, Canada