1. Hassan II University,LPMAT Laboratory Faculty of Sciences Ain Chock,Physics Department,Casablanca,Morocco
2. Higher School of Technology Salé,EMDD CERNE2D Mohammed V University in Rabat,Salé,Morocco
3. School of Mines of Rabat,Mechanics, Materials and Thermal Laboratory (LMMT) National High,Rabat,Morocco
4. National High School of Mines of Rabat,SEPTH,Rabat,Morocco