TRUONG, Dai Quyet; PHAM, Van Phu; TRAN, Le Minh; NGUYEN, Tien Vinh. Utilizing Coffee Husk Biochar as an Effective Adsorbent for Ammonium Removal in Groundwater. JST: Engineering And Technology For Sustainable Development, [S. l.], v. 33, n. 5, p. 26–33, 2023. DOI: 10.51316/jst.170.etsd.2023.33.5.4. Disponível em: https://jst.vn/index.php/etsd/article/view/358. Acesso em: 29 jun. 2025.