“Effect of Adding Nano Iron Sulfate on Some Properties of Polystyrene Plastic Waste under the Influence of the Thermophysical Factor”. Rafidain Journal of Science 34, no. 3 (September 1, 2025): 1–13. Accessed October 18, 2026. https://rsci.uomosul.edu.iq/index.php/rsci/article/view/49946.