“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)”, PELS, vol. 3, Dec. 2022, doi: 10.21070/pels.v3i0.1374.