Investigation on Feasibility of Utilizing Coffee-Husk Ash as an Alkaline Activator in Geopolymer ConcreteGokul P V, Arunkumar Kadarkarai, Elizabeth Thomas, Aparna Revi, Indrajith R Nair and Muhammad AlthafE3S Web of Conf., 529 (2024) 01041DOI: https://doi.org/10.1051/e3sconf/202452901041