Grabato, Jeb Reece, et al. “Independent Evaluation of a Mercury-Free Commercial Chemical Oxygen Demand Test Kit for the Analysis of Ethanol Distillery Wastewater”. KIMIKA: The Journal of the Kapisanang Kimika Ng Pilipinas, vol. 35, no. 1, Dec. 2024, pp. 24-35, doi:10.26534/kimika.v35i1.24-35.