Andini, E. A. S. P., A. . Zummah, E. . Teguh Pribadi, and N. . Safarina. “Measurement of Hexavalent Chromium (Cr (VI)) and Phenol Levels in Belahan Rejo Hamlet Lake As a Monitoring of Water Quality in Gresik Regency”. INDONESIAN JOURNAL OF CHEMICAL RESEARCH, vol. 9, no. 2, Dec. 2024, doi:10.20885/ijcr.vol9.iss2.art9.