Ali N. Siyal and Saima Q. Memon and Latif Elçi and Aydan Elçi, Extraction of Polystyrene from Styrofoam Waste: Synthesis of Novel Chelating Resin for the Enrichment and Speciation of Cr(III)/Cr(VI) Ions in Industrial Effluents. journal = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. February 2014, vol. 87(3). 212 - 215 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997749.