OUAFI, R. .; OMOR, A. .; GAGA, Y. .; AKHAZZANE, M. .; TALEB, M. .; RAIS, Z. . PINE CONE POWDER FOR THE ADSORPTIVE REMOVAL OF COPPER IONS FROM WATER: Scientific Paper. Chem. Ind. Chem. Eng. Q. 2022, 27, 341-354.