Lakehal, ImaneSeffah, KarimaOurieche, Hadjer2025-03-122025-03-122022-10-23http://dspace.univ-oeb.dz:4000/handle/123456789/21192otherQuercus suber L; Bark; Valorization; extraction; Tannins and experimental design.Valorization ans optimisation by experimental design of the extraction tannins from the bark of the cork oak of quercus lArticle