1. Laboratoire d’Electrochimie et Corrosion, Ecole Militaire Polytechnique, Bordj El-Bahri, Algérie
2. Laboratoire de Chimie Macromoleculaire, LHMC, USTHB, Algiers, Algeria
3. Laboratoire des Essais Non-Destructifs, University of Jijel, Jijel, Algeria
4. Laboratory of Materials Interaction and Environment, University of Jijel, Jijel, Algeria