Aristri MA, Lubis MAR, Laksana RPB, Falah F, Fatriasari W, Ismayati M, et al. Bio-Polyurethane Resins Derived from Liquid Fractions of Lignin for the Modification of Ramie Fibers. J. Sylva Lestari [Internet]. 2021 May 28 [cited 2026 Feb. 11];9(2):223-38. Available from: https://sylvalestari.fp.unila.ac.id/index.php/JHT/article/view/335