Adetoro, A. E., & Ojoawo, S. .O. (2025). Remediation of contagious metals from mine-used water using <i>Carica Papaya</i> trunk enhanced charcoal produced with HCl acid. Nigerian Journal of Technological Development, 21(4), 13–24. https://doi.org/10.4314/njtd.v21i4.2233