Nguyen, N., B. Phan, and S. Huynh. “MECHANICAL PROPERTIES OF THE VIET NAM SISAL FIBRE REINFORCED POLYPROPYLENE COMPOSITE”. Science and Technology Development Journal, Vol. 14, no. 2, June 2011, pp. 29-36, doi:https://doi.org/10.32508/stdj.v14i2.1904.