SUMA, Y.; PASUKPHUN, N.; EAKTASANG, N. Efficiency of Biochar Derived from Elephant Dung for Adsorption of Iron (III) Ions. Burapha Science Journal, Chonburi, Thailand, v. 26, n. 2 May-August, p. 1204–1221, 2026. Disponível em: https://li05.tci-thaijo.org/index.php/buuscij/article/view/1403. Acesso em: 14 oct. 2026.