Characterization and acid resistance test of one-part geopolymer from fly ash and water treatment sludgeAileen Orbecido, Vuong Ho, Hirofumi Hinode, Winarto Kurniawan, Long Nguyen and Michael Angelo PromentillaMATEC Web Conf., 156 (2018) 05003DOI: https://doi.org/10.1051/matecconf/201815605003