Nur ‘Aisyah Umar Syarifuddin, S. et al. 2018. Polypropylene/Luffa Wood Plastic Composites with High Fibre Loading. International Journal of Engineering & Technology. 7, 4.18 (Nov. 2018), 118–121. DOI:https://doi.org/10.14419/ijet.v7i4.18.21883.