1. Department of Physics, Faculty of Sciences Dhar El MehrazSidi Mohamed Ben Abdellah University Fes Morocco
2. Department of Mathematic and InformaticsPolydisciplinary Faculty, Mohammed First University Nador Morocco
3. Center of Exact Sciences and TechnologyUniversidade de Caxias do Sul Caxias do Sul Brazil
4. Department of Systems Engineering and Automatic Control, and Institute of Sustainable ProcessesUniversity of Valladolid Valladolid Spain