1. Akinci, G., Guven, D. E., & Ugurlu, S. K. (2013). Assessing pollution in Izmir Bay from rivers in western Turkey: heavy metals. Environmental Science: Processes & Impacts, 15(12), 2252–2262.
2. APHA, AWWA, & WEF. (1996). Standard methods for the examination of water and wastewater, 19th ed (19th ed.). Washington: American Public Health Association, American Water Works Association, Water Environment Federation.
3. Chang, C. Y., Yu, H. Y., Chen, J. J., Li, F. B., Zhang, H. H., & Liu, C. P. (2014). Accumulation of heavy metals in leaf vegetables from agricultural soils and associated potential health risks in the Pearl River Delta, South China. Environmental Monitoring and Assessment, 186(3), 1547–1560.
4. Davutluoglu, O. I., Seckin, G., Ersu, C. B., Yilmaz, T., & Sari, B. (2011). Heavy metal content and distribution in surface sediments of the Seyhan River, Turkey. Journal of Environmental Management, 92(9), 2250–2259.
5. Environmental Protection Agency, U. S., & USEPA. (2004). Risk assessment guidance for superfund, volume I: human health evaluation manual (Part E, supplemental guidance for dermal risk assessment). EPA/540/R/99/005. Washington: Office of Emergency and Remedial Response.