[1]
M. Ahmed, A. and Z . Sulyman, E. 2023. Improving Mechanical and Thermal Properties for Unsaturated Polyester Resin by Adding Sisal Fibers. College of Basic Education Research Journal. 19, 1 (Mar. 2023), 781–804. DOI:https://doi.org/10.33899/berj.2023.178138.