Jeeva, N., et al. “Waste to Value-Added-Products: Preparation of Carbon Quantum Dots from Petroleum Coke for the Preparation of Antimicrobial Polyurethane Nanocomposites”. Asian Journal of Chemistry, vol. 38, no. 8, Aug. 2026, pp. 2016-24, doi:10.14233/ajchem.2026.36170.