Sintesis Selulosa Asetat Dari Limbah Sabut Siwalan (Borassus Flabellifer L) dengan Metode Emil Heuser. jse [Internet]. 2025 Oct. 7 [cited 2026 May 6];10(4). Available from: https://jse.serambimekkah.id/index.php/jse/article/view/1288