The Registration fee details are as follow : * The participation fee does not cover the accommodation Category Algerian ParticipantsForeigner ParticipantsStudents (PhD, graduates and under graduates)9000DA350 EurosTeacher-Searcher and Searchers15 000DA400 EurosIndustry20 000DA1200 Euros Registration fee include: For physical participation :Access to all the conference sessionsSchoolbag, Program Book & online proceeding.Publication in Journal.Break Coffee and LunchFor virtual presentation :Oral or Poster Work in virtual platform (Google meet or Zoom, Guidelines will be informed). The participation fees must be transferred to the treasury account of the University of Blida1 presented below: N° : 00809001 1090000403 62