1. Eurostat, Derived 2023-10–01 (Last data update: 21/08/2023) Euro Stat Statistics explained; Municipal waste statistics, 〈https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Municipal_waste_statistics#Municipal_waste_generation〉.
2. Fly ash properties, characterization, and applications: a review;Alterary;J King Saud Univ - Sci,2021
3. Treatment of municipal solid waste incineration fly ash: state-of-the-art technologies and future perspectives;Zhang;J Hazard Mater,2021
4. Variation in chemical composition of MSWI fly ash and dry scrubber residues;Nedkvitne;Waste Manag,2021
5. European Commission, Internal Market, Industry, Entrepreneurship and SMEs, Derived 2024-01–08. Critical Raw Materials Act, 〈https://single-market-economy.ec.europa.eu/sectors/raw-materials/areas-specific-interest/critical-raw-materials/critical-raw-materials-act_en〉.