Ermadani, Viviani, A., Yasdi, Yanopa, S., Suryanto, Arsyad, Ar, & Sarman. (2023). The The use of activated charcoal from corn cobs as adsorbent of heavy metals from groundwater. Brazilian Journal of Biosystems Engineering, 17. https://doi.org/10.18011/bioeng.2023.v17.1191