Mat Radzi MEZ, Wahab MS, Sahdan MZ, Hamdan R, Zakariah RA. Gravitational Aeration Tower Filter System to Increase the Dissolved Oxygen Amount for Iron Removal in Groundwater. ijie [Internet]. 2020 Feb. 3 [cited 2024 Jul. 3];12(3):207-15. Available from: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/5361