Sasdika, Azzahra Hanggararas, and Tuhu Agung Rachmanto. 2023. “Penyisihan Chemical Oxygen Demand (COD) Pada Limbah Batik Jetis Sidoarjo”. Envirous 3 (2). https://envirous.upnjatim.ac.id/index.php/envirous/article/view/18.