WASET
    A. A. Salisu and  M. Y. Yakasai and  K. M. Aujara,  Physico-Mechanical Properties of Chemically Modified Sisal Fibre Reinforced Unsaturated Polyester Composites.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 109(1). 81 - 88
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10003478.