Ogakwu, P. A, and Okpanachi, G. E. “Effects of Fibre-Volume Fraction on the Mechanical Properties of Ukam Fibre-Reinforced Polyester Resin Composites ”. Journal of Good Governance and Sustainable Development in Africa 4, no. 4 (July 29, 2021): 91-102. Accessed November 8, 2024. https://journals.rcmss.com/index.php/jggsda/article/view/367.