1. Hazards of heavy metal contamination;Jarup;Br. Med. Bull.,2003
2. Review removal of heavy metal ions from wastewaters: a review;Fu;J. Environ. Manage.,2011
3. Removal of cadmium ions from industrial wastewater by cementation;Nosier;Chem. Biochem. Eng. Q.,2003
4. Removal of cadmium from aqueous solutions by hazel nut shell;Jamali;World Appl. Sci. J.,2009
5. WHO. Environmental Health Criteria 194: Cadmium. 1997. Accessed: 28th June 2020. https://www.who.int/water_sanitation_health/dwq/chemicals/cadmium.pdf.