Analysis of the Effect of Water Hyacinth Waste Fiber Composition on the Compressive and Tensile Strength of 27 MPa Concrete. Borneo Engineering: Jurnal Teknik Sipil, [S. l.], v. 10, n. 2, p. 172–184, 2026. DOI: 10.35334/be.v10i2.981. Disponível em: https://jurnal.ubt.ac.id/index.php/bejts/article/view/981. Acesso em: 18 sep. 2026.