Siti Noorain Roslan and Siti Salmi Ghazali and Norfadhlina Muhamed Asli, Study on the Characteristics and Utilization of Sewage Sludge at Indah Water Konsortium (IWK) Sungai Udang, Melaka. journal = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2013, vol. 80(8). 544 - 548 [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/16175.