Nualchavee Roongtanakiat, Yongyuth Osotsapar and Charoen Yindiram (2008) “Effects of Soil Amendment on Growth and Heavy Metals Content in Vetiver Grown on Iron Ore Tailings”, Agriculture and Natural Resources. Bangkok, Thailand, 42(3), pp. 397–406. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/244466 (accessed: 13 October 2026).