Kebir, T., & Bouhadjera, K. (2014). IMPACTS OF INDUSTRIAL WASTES ON THE AGRICULTURAL SOIL IN WEST AREA OF ALGERIA: FRACTIONATION AND CONTAMINATION OF HEAVY METALS IN SOILS BY SEQUENTIAL EXTRACTION PROCEDURE. European Scientific Journal, ESJ, 10(14). https://doi.org/10.19044/esj.2014.v10n14p%p