Wassila Lazli, and Amina Hellal. 2020. “Biosorption of Phenol by Modified Dead Leaves of Posidonia Oceanica Immobilized in Calcium Alginate Beads: Optimal Experimental Parameters Using Central Composite Design”. Water SA 46 (2 April). https://doi.org/10.17159/wsa/2020.v46.i2.8248.