UMPI J, KHAMIDUN DMHB. Assessment and Mapping of Ammonium Concentration in Swale along the Faculty of Civil Engineering and Built Environment and G3 Lake, Universiti Tun Hussien Onn Malaysia, (UTHM). rtcebe [Internet]. 2023 May 15 [cited 2024 Jul. 18];4(1):232-9. Available from: https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/5715