Hassan, Aziz, Rosiyah Yahya, and Hornsbry, P. R. 2001. “Short- and Long-Glass Fibre Reinforced Polyamide 6,6 Composites: Fibre Length Characteristics of Injection Moulded Specimens”. Malaysian Journal of Science 20 (1):57-63. https://juku.um.edu.my/index.php/MJS/article/view/8777.