Mokhilif, M. .H. “Study of the Mechanical Properties for Reed -Reinforced Epoxy Composites and Reed-Sisal Hybrid Epoxy Composites”. University of Thi-Qar Journal of Science, Vol. 4, no. 3, July 2019, pp. 159-65, https://www.jsci.utq.edu.iq/index.php/main/article/view/648.