Pramana, Putratama Aziz, et al. “Effect of Water Hyacinth Fiber Length and Content on the Torsional Strength of Epoxy Resin Composites”. International Journal of Innovation in Mechanical Engineering and Advanced Materials, vol. 6, no. 3, Oct. 2024, pp. 144-51, doi:10.22441/ijimeam.v6i3.19701.