Nualchavee Roongtanakiat, and Sarattana Sanoh. “Phytoextraction of Zinc, Cadmium and Lead from Contaminated Soil by Vetiver Grass”. Agriculture and Natural Resources 45, no. 4 (August 30, 2011): 603–612. Accessed May 19, 2024. https://li01.tci-thaijo.org/index.php/anres/article/view/245338.