“The Effect of Fiber Length Variations on the Composite Fiber of Oil Palm Empty Bunches (OPEB) on Tensile Strength: Pengaruh Variasi Panjang Serat Pada Komposit Serat Tandan Kosong Kelapa Sawit (TKKS) Terhadap Kekuatan Tarik ”. 2022. Procedia of Engineering and Life Science 3 (December). https://doi.org/10.21070/pels.v3i0.1324.