Farid, Ulfa Maulida, et al. “Efektivitas Carboxymethyl Cellulose (CMC) Dan Gula Terhadap Kadar Serat Fruit Leather Siwalan (Borassus Flabellifer) ”. Symbiotic: Journal of Biological Education and Science, vol. 6, no. 1, Apr. 2025, pp. 45-51, doi:10.32939/symbiotic.v6i1.160.