Santhiarsa, I Gusti Ngurah Nitya, et al. “Weight Fraction Effect of Sugar Palm Fiber As Polypropylene-Elastomer Matrix Reinforcement on Fire Resistance of Hybrid Composite”. International Journal on Advanced Science, Engineering and Information Technology, vol. 12, no. 2, Apr. 2022, pp. 649-54, doi:10.18517/ijaseit.12.2.15848.