Muhamad Haziq, Mohd Fadzli, et al. “Effect of Activated Palm Kernel Shell Nanoparticles As a Bio-Filler on the Mechanical Properties Vulcanized Natural Rubber”. BioResources, vol. 20, no. 2, Feb. 2025, pp. 2811-26, https://ojs.bioresources.com/index.php/BRJ/article/view/24164.