Ossai, I.C., H., F.S. and Redzwan, G. 2014. The Utilization of Water Hyacinth (Eichhorniacrassipes) as Aquatic Macrophage Treatment System (AMATS) in Phytoremediation for Palm Oil Mill Effluent (POME). International Journal of Sciences: Basic and Applied Research (IJSBAR). 13, 2 (Sep. 2014), 31–47.