ABEYSINGHE, N.; JETSRISUPARB, K.; KARUNARATHNA, K.; CHANDANA, E.; SUWANREE, S.; KASEMSIRI, P.; CHINDAPRASIRT, P.; KNIJNENBURG, J. T. Synthesis and Phosphate Adsorption Performance of Elephant Dung Biochar Modified With Magnesium and Iron. J Met Mater Miner 2022, 32, 124-133.