Tarmizi ZI, Maski AN, Rasit Ali R, et al. Fabrication of hydrophilic silica coating varnish on pineapple peel fiber based biocomposite. IJIE. 2019;11(7):77-82. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/4436