“Effect of Oil Palm Empty Fruit Bunch Fiber Length on Flexural Performance and Macrostructure of Palmfiber Reinforced Concrete”. Jurnal Teknik Mesin 15, no. 1 (April 30, 2025): 40–46. Accessed February 27, 2026. https://jtm.itp.ac.id/index.php/jtm/article/view/844.