Prof. Mohamed Guedda
University of Picardie Jules Verne, Amiens France
    Prof. Thabet Abdeljawad
    Prince Sultan University, Saudi Arabia
      Carla Pinto
      School of Engineering, Polytechnic of Porto, Portugal
        Jordan Hristov
        University of Chemical Technology and Metallurgy, Bulgaria
          Prof. Dr. Abdon Atangana
          University of the Free State, South Africa