Axial compressive behavior of green sustainable Water Hyacinth & Bio-Resin (WHBR) FRP composites-confined circular concreteAoron Honestyo, Tavio, Hosta Ardhyananta and Daniel ChristiantoE3S Web Conf., 429 (2023) 05002DOI: https://doi.org/10.1051/e3sconf/202342905002