Ermadani, Amalia Viviani, Yasdi, Shally Yanopa, Suryanto, Arsyad, Ar, and Sarman. 2023. “The The Use of Activated Charcoal from Corn Cobs As Adsorbent of Heavy Metals from Groundwater”. Revista Brasileira De Engenharia De Biossistemas 17 (September). Tup. https://doi.org/10.18011/bioeng.2023.v17.1191.