“Characterization of Bark-Midrib Fibers using Chemical Treatment Variations as Reinforcement in Bark-Midrib Fiber Composites”. SPECTA Journal of Technology 3, no. 2 (Agustus 1, 2019): 36–45. Diakses November 1, 2026. https://journal.itk.ac.id/index.php/sjt/article/view/154.