Rassiah, K. “Influence of Rice Husk and Composition Ratio on Mechanical Performance of Polypropylene Composite”. Politeknik & Kolej Komuniti Journal of Engineering and Technology, vol. 1, no. 1, Nov. 2016, pp. 1-14, https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/390.