Permatananda, P.A.N.K. and Pandit, I.G.S. 2023. Characteristic of Orange Peel Waste-Based on Eco Enzyme at Different Fermentation Duration . Jurnal Penelitian Pendidikan IPA. 9, 6 (Jun. 2023), 4289–4293. DOI:https://doi.org/10.29303/jppipa.v9i6.3527.