**Corresponding author Autho: | A. Seffar | & Copyright Author © 2021: | H. Moudlige *|. All Rights Reserved. All articles published in American Journal of Innovative Research and Applied Sciences are the property of Atlantic Center
Research Sciences, and is protected by copyright laws CC-BY. See: http://creativecommons.org/licenses/by-nc/4.0/.
| H. Moudlige 1 | A. Seffar 1* |C. Waffar 1 | M. Ettaouil 1| A. Moataz |M. Dakir| A. Debbagh | and | R. Aboutaib 2 |.Am. J. innov. res. appl. sci. 2021;
12(5):198-201.
| PDF FULL TEXT | | XML FILE | | Received | March 26, 2021 | | Accepted | April 15, 2021 | | Published | May 17, 2021 |