RAZAK, R., & DR.MOHD HAIRUL BIN KHAMIDUN. (2023). The Assessment and Mapping of Sulphate Concentration in Drainage Along Taman Melewar, Parit Raja, Batu Pahat. Recent Trends in Civil Engineering and Built Environment, 4(1). Retrieved from https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/5686