Synthesis of Lignin–Urea Formaldehyde (LUF) Wood Adhesive Based on Lignin Extracted from Oil Palm Empty Fruit Bunches (EFB). ALKIMIA [Internet]. 2026 Feb. 28 [cited 2026 Mar. 5];10(1):1-10. Available from: https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/31203