1. University of Mohamed Seddik Benyahia,Department of Fundamental Studies of Science & Technology,Jijel,Algeria,18000
2. University of Mohamed Seddik Benyahia,Department of physics,Jijel,Algeria,18000
3. University of Jijel,Department of Chemistry LEND Laboratory,Jijel,Algeria,18000
4. LSVER Laboratory, USTHB,Department of Chemistry,Algiers,Algeria,16111
5. University of Jijel,LIM Laboratory,Department of Chemistry,Jijel,Algeria,18000