PRODUCTION OF CELLULOSE NANOCRYSTALS FROM OIL PALM EMPTY FRUIT BUNCH AND PINEAPPLE LEAF FIBRE USING DOUBLE OXIDATION APPROACH. J. Teknol. [Internet]. 2022 Jul. 26 [cited 2025 Apr. 15];84(5):73-81. Available from: https://journals.utm.my/jurnalteknologi/article/view/18215