SETYANINGRUM, D.; ANISA, Z.; RASYDTA, H. Pengujian Kadar Chemical Oxygen Demand (COD) pada Air Limbah Tinggi Kalsium Klorida Menggunakan Metode Refluks Terbuka. Formosa Journal of Science and Technology , [S. l.], v. 1, n. 4, p. 353–362, 2022. DOI: 10.55927/fjst.v1i4.1050. Disponível em: https://journal.formosapublisher.org/index.php/fjst/article/view/1050. Acesso em: 3 may. 2026.