Maliwan Boonsaner, Thamnoon Kaewumput and Arthorn Boonsaner (2005) “Vetiver Grass: a Natural Barrier to Protect Against Organophosphate Pesticides from Cabbage Fields”, Agriculture and Natural Resources. Bangkok, Thailand, 39(3), pp. 350–356. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/243323 (accessed: 11 October 2026).