Young, Erepamowei, and Timi Tarawou. 2016. “Separation and Quantification of Anthraquinones in the Petiole, Leaves, and Roots of Water Hyacinth”. The International Journal of Science & Technoledge 4 (8). http://internationaljournalcorner.com/index.php/theijst/article/view/123964.