“The Effect of Fiber Volume Fraction on the Bending Strength of Fiber-Reinforced Composites of Oil Palm Empty Fruit Bunches: Pengaruh Fraksi Volume Serat Terhadap Kekuatan Bending Komposit Berpenguat Serat Tandan Kosong Kelapa Sawit (TKKS)” (2022) Procedia of Engineering and Life Science, 3. doi:10.21070/pels.v3i0.1374.