Yustiani YM, Nugroho FL, Murtadho FZ, Djayadisastra AT. Applying Eco Enzyme to Reduce Chemical Oxygen Demand (COD) Content of Artificial River Water. J. Eng. Technol. Sci. [Internet]. 2023Mar.31 [cited 2025Oct.31];55(1):91-7. Available from: https://journals.itb.ac.id/index.php/jets/article/view/18948