Enhancing soil quality with coal fly ash amendment: a waste recycling approach for climate change mitigation in Indonesia - a reviewJubaedah, Iskandar, Dwi Tejo P. Baskoro, Budi Mulyanto and Neneng L. NuridaE3S Web Conf., 467 (2023) 01008DOI: https://doi.org/10.1051/e3sconf/202346701008