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Darajeh, Negisa, Azni Idris, Paul Truong, Astimar Abdul Aziz, Rosenani Abu Bakar, and Hasfalina Che Man. Phytoremediation Potential of Vetiver System Technology for Improving the Quality of Palm Oil Mill Effluent. Hindawi Publishing Corporation, 2014.

Darajeh, Negisa, et al. Phytoremediation Potential of Vetiver System Technology for Improving the Quality of Palm Oil Mill Effluent. Hindawi Publishing Corporation, 2014.