Bugis, M., Hidayati, N., & Kresnadipayana, D. (2019). Utilization of Grapefruit (Citrus Maxima Merr) Extract and Powder for Reducing Levels Heavy Metals Krom(VI) and Cadmium(II) on Artifisial Liquid Waste. Biomedika, 12(2), 251-258. https://doi.org/https://doi.org/10.31001/biomedika.v12i2.618