Sulardjaka, S., Iskandar, N., Manik, P. and Nurseto, D.S. 2023. The effect of alkalization and esterification treatment on mechanical properties of water hyacinth fiber reinforced epoxy-resin composite. Eastern-European Journal of Enterprise Technologies. 1, 12 (121) (Feb. 2023), 26–33. DOI:https://doi.org/10.15587/1729-4061.2023.274064.