Potential Utilization of Sewage Sludge from Water Treatment Plant as Brick MaterialBudi Prasetyo Samadikun, Siti Rukayah, Ika Bagus Priyambada, Sry T. Romaito Lumbantobing and Mochamad Arief BudihardjoE3S Web Conf., 73 (2018) 05001DOI: https://doi.org/10.1051/e3sconf/20187305001