Albanjari, F. S., Ajidirman, A. and Wiskandar, W. (2026) “Effect of Water Hyacinth (Eichhornia crassipes) and Biochar on pH and Fe and Mn Concentrations in Acid Mine Drainage”, KESANS : International Journal of Health and Science, 5(7), pp. 1250–1261. doi: 10.54543/kesans.v5i7.616.