Hassan, A., R. Yahya, M. T. A. Rahman, and A. H. Yahaya. “Extrusion- and Pultrusion-Compounded Carbon Fibre Reinforced Polyamide 6,6 Composites : Impact Properties of Injection Moulded Specimens”. Malaysian Journal of Science, vol. 22, no. 1, Apr. 2003, pp. 95-104, https://samudera.um.edu.my/index.php/MJS/article/view/8808.