Widyastuti, Margaretha, Galih Dwi Jayanto, and Muhammad Ridho Irshabdillah. 2021. “WATER QUALITY ANALYSIS OF CODE RIVER BASED ON METAL AND NONMETAL PARAMETERS USING HEAVY METAL POLLUTION INDEX”. JURNAL GEOGRAFI 13 (2):145-58. https://doi.org/10.24114/jg.v13i2.20000.