The First International Conference on Materials, Environment, Mechanical and Industrial Systems ICMEMIS 2019 http://dspace.univ-djelfa.dz:8080/xmlui/handle/123456789/1434 ICMEMIS19 Wed, 08 Apr 2026 12:47:49 GMT 2026-04-08T12:47:49Z The First International Conference on Materials, Environment, Mechanical and Industrial Systems ICMEMIS 2019 http://dspace.univ-djelfa.dz:80/xmlui/bitstream/id/5871/ http://dspace.univ-djelfa.dz:8080/xmlui/handle/123456789/1434