Petronial E. Florendo 1993. Uptake and Some Physiological Effects of Mercury in the Water Hyacinth, Eichhornia crassipes Solm. The Vector: International Journal of Emerging Science, Technology and Management (IJESTM). 2, 1 (Dec. 1993). DOI:https://doi.org/10.69566/ijestm.v2i1.82.