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. https://doi.org/10.21070/pels.v3i0.1324