1. Lab PETI-ERMAM, Ibn Zohr University,Polydisciplinarya Faculty of Ouarzazate, BP.638,Ouarzazate,Morocco,45000
2. Henan Polytechnic University, Jiaozuo,Laboratory of Advanced Electronic Packaging Materials Precision Forming,Jiaozuo,China,454003
3. Moulay Ismail University of Meknes, BP 509 Boutalamine, Errachidia, Morocco,Faculty of Sciences and Techniques,OTEA, Department of Physics,Errachidia,Morocco,52000