Kamaruzaman, Nur Wardiah, and Mohd Hairul Khamidun. “Mapping Spatial Distribution of Ammonia Nitrogen and Biochemical Oxygen Demand Along a New Road Construction Area”. Recent Trends in Civil Engineering and Built Environment 2, no. 1 (June 1, 2021): 271–279. Accessed April 9, 2026. https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1820.